metricas
covid
Buscar en
Annals of Hepatology
Toda la web
Inicio Annals of Hepatology Hepatitis C and hepatocellular carcinoma
Journal Information

Statistics

Follow this link to access the full text of the article

Hepatitis C and hepatocellular carcinoma
Eduardo Fassio
,
Corresponding author
efassio@intramed.net

Correspondence and reprint request:
* Hospital Nacional Prof. A. Posadas El Palomar, Buenos Aires, Argentina.
Read
2751
Times
was read the article
373
Total PDF
2378
Total HTML
Share statistics
 array:24 [
  "pii" => "S1665268119317363"
  "issn" => "16652681"
  "doi" => "10.1016/S1665-2681(19)31736-3"
  "estado" => "S300"
  "fechaPublicacion" => "2010-01-01"
  "aid" => "71398"
  "copyright" => "Fundación Clínica Médica Sur, A.C."
  "copyrightAnyo" => "2010"
  "documento" => "article"
  "crossmark" => 0
  "licencia" => "http://creativecommons.org/licenses/by-nc-nd/4.0/"
  "subdocumento" => "fla"
  "cita" => "Ann Hepatol. 2010;9 Supl 1:S119-22"
  "abierto" => array:3 [
    "ES" => true
    "ES2" => true
    "LATM" => true
  ]
  "gratuito" => true
  "lecturas" => array:2 [
    "total" => 63
    "formatos" => array:3 [
      "EPUB" => 12
      "HTML" => 24
      "PDF" => 27
    ]
  ]
  "itemSiguiente" => array:19 [
    "pii" => "S1665268119317375"
    "issn" => "16652681"
    "doi" => "10.1016/S1665-2681(19)31737-5"
    "estado" => "S300"
    "fechaPublicacion" => "2010-01-01"
    "aid" => "71399"
    "copyright" => "Fundación Clínica Médica Sur, A.C."
    "documento" => "article"
    "crossmark" => 0
    "licencia" => "http://creativecommons.org/licenses/by-nc-nd/4.0/"
    "subdocumento" => "fla"
    "cita" => "Ann Hepatol. 2010;9 Supl 1:S123-31"
    "abierto" => array:3 [
      "ES" => true
      "ES2" => true
      "LATM" => true
    ]
    "gratuito" => true
    "lecturas" => array:2 [
      "total" => 65
      "formatos" => array:3 [
        "EPUB" => 11
        "HTML" => 27
        "PDF" => 27
      ]
    ]
    "en" => array:11 [
      "idiomaDefecto" => true
      "titulo" => "On the cusp of change: New therapeutic modalities for HCV"
      "tienePdf" => "en"
      "tieneTextoCompleto" => "en"
      "tieneResumen" => "en"
      "paginas" => array:1 [
        0 => array:2 [
          "paginaInicial" => "S123"
          "paginaFinal" => "S131"
        ]
      ]
      "contieneResumen" => array:1 [
        "en" => true
      ]
      "contieneTextoCompleto" => array:1 [
        "en" => true
      ]
      "contienePdf" => array:1 [
        "en" => true
      ]
      "resumenGrafico" => array:2 [
        "original" => 0
        "multimedia" => array:7 [
          "identificador" => "f0030"
          "etiqueta" => "Figure 6."
          "tipo" => "MULTIMEDIAFIGURA"
          "mostrarFloat" => true
          "mostrarDisplay" => false
          "figura" => array:1 [
            0 => array:4 [
              "imagen" => "gr6.jpeg"
              "Alto" => 847
              "Ancho" => 2078
              "Tamanyo" => 218722
            ]
          ]
          "descripcion" => array:1 [
            "en" => "<p id="sp0030" class="elsevierStyleSimplePara elsevierViewall">Kwo P&#44; et al&#44; &#40;Easl Abstract 995&#41; J Hepatol 2008&#59; 48&#40;Supl&#46; 2&#41;&#58; S1-375&#46;</p>"
          ]
        ]
      ]
      "autores" => array:1 [
        0 => array:2 [
          "autoresLista" => "Maribel Rodr&#237;guez-Torres"
          "autores" => array:1 [
            0 => array:2 [
              "nombre" => "Maribel"
              "apellidos" => "Rodr&#237;guez-Torres"
            ]
          ]
        ]
      ]
    ]
    "idiomaDefecto" => "en"
    "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1665268119317375?idApp=UINPBA00004N"
    "url" => "/16652681/00000009000000S1/v1_201906221034/S1665268119317375/v1_201906221034/en/main.assets"
  ]
  "itemAnterior" => array:19 [
    "pii" => "S1665268119317351"
    "issn" => "16652681"
    "doi" => "10.1016/S1665-2681(19)31735-1"
    "estado" => "S300"
    "fechaPublicacion" => "2010-01-01"
    "aid" => "71397"
    "copyright" => "Fundaci&#243;n Cl&#237;nica M&#233;dica Sur&#44; A&#46;C&#46;"
    "documento" => "article"
    "crossmark" => 0
    "licencia" => "http://creativecommons.org/licenses/by-nc-nd/4.0/"
    "subdocumento" => "fla"
    "cita" => "Ann Hepatol. 2010;9 Supl 1:S112-8"
    "abierto" => array:3 [
      "ES" => true
      "ES2" => true
      "LATM" => true
    ]
    "gratuito" => true
    "lecturas" => array:2 [
      "total" => 57
      "formatos" => array:3 [
        "EPUB" => 10
        "HTML" => 16
        "PDF" => 31
      ]
    ]
    "en" => array:11 [
      "idiomaDefecto" => true
      "titulo" => "Insulin resistance&#44; hepatic steatosis and hepatitis C&#58; A complex relationship with relevant clinical implications"
      "tienePdf" => "en"
      "tieneTextoCompleto" => "en"
      "tieneResumen" => "en"
      "paginas" => array:1 [
        0 => array:2 [
          "paginaInicial" => "S112"
          "paginaFinal" => "S118"
        ]
      ]
      "contieneResumen" => array:1 [
        "en" => true
      ]
      "contieneTextoCompleto" => array:1 [
        "en" => true
      ]
      "contienePdf" => array:1 [
        "en" => true
      ]
      "resumenGrafico" => array:2 [
        "original" => 0
        "multimedia" => array:7 [
          "identificador" => "f0005"
          "etiqueta" => "<span class="elsevierStyleBold"><span class="elsevierStyleItalic">Figure 1&#58;</span></span>"
          "tipo" => "MULTIMEDIAFIGURA"
          "mostrarFloat" => true
          "mostrarDisplay" => false
          "figura" => array:1 [
            0 => array:4 [
              "imagen" => "gr1.jpeg"
              "Alto" => 911
              "Ancho" => 1000
              "Tamanyo" => 104275
            ]
          ]
          "descripcion" => array:1 [
            "en" => "<p id="sp0005" class="elsevierStyleSimplePara elsevierViewall">Relationships between metabolic and viral factors and hepatic steatosis in the setting of chronic hepatitis C&#46; Insulin resistance is the major determinant of steatosis and in turn is aggravated by several genotype-independent mechanisms probably related to the presence of viral proteins in the hepatocyte and due to the inflammatory response linked to viral infection&#46; Several specific steatogenic mechanisms operate in genotype 3 infection&#46; Alcohol consumption can also contribute to steatosis development&#46;</p>"
          ]
        ]
      ]
      "autores" => array:1 [
        0 => array:2 [
          "autoresLista" => "Marco Arrese, Arnoldo Riquelme, Alejandro Soza"
          "autores" => array:3 [
            0 => array:2 [
              "nombre" => "Marco"
              "apellidos" => "Arrese"
            ]
            1 => array:2 [
              "nombre" => "Arnoldo"
              "apellidos" => "Riquelme"
            ]
            2 => array:2 [
              "nombre" => "Alejandro"
              "apellidos" => "Soza"
            ]
          ]
        ]
      ]
    ]
    "idiomaDefecto" => "en"
    "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1665268119317351?idApp=UINPBA00004N"
    "url" => "/16652681/00000009000000S1/v1_201906221034/S1665268119317351/v1_201906221034/en/main.assets"
  ]
  "en" => array:15 [
    "idiomaDefecto" => true
    "titulo" => "Hepatitis C and hepatocellular carcinoma"
    "tieneTextoCompleto" => true
    "paginas" => array:1 [
      0 => array:2 [
        "paginaInicial" => "S119"
        "paginaFinal" => "S122"
      ]
    ]
    "autores" => array:1 [
      0 => array:4 [
        "autoresLista" => "Eduardo Fassio"
        "autores" => array:1 [
          0 => array:4 [
            "nombre" => "Eduardo"
            "apellidos" => "Fassio"
            "email" => array:1 [
              0 => "efassio@intramed.net"
            ]
            "referencia" => array:2 [
              0 => array:2 [
                "etiqueta" => "&#42;"
                "identificador" => "aff1"
              ]
              1 => array:2 [
                "etiqueta" => "&#42;"
                "identificador" => "cor1"
              ]
            ]
          ]
        ]
        "afiliaciones" => array:1 [
          0 => array:3 [
            "entidad" => "Hospital Nacional Prof&#46; A&#46; Posadas El Palomar&#44; Buenos Aires&#44; Argentina&#46;"
            "etiqueta" => "&#42;"
            "identificador" => "aff1"
          ]
        ]
        "correspondencia" => array:1 [
          0 => array:3 [
            "identificador" => "cor1"
            "etiqueta" => "&#42;"
            "correspondencia" => "Correspondence and reprint request&#58;"
          ]
        ]
      ]
    ]
    "textoCompleto" => "<span class="elsevierStyleSections"><p id="p0005" class="elsevierStylePara elsevierViewall">Chronic hepatitis C virus &#40;HCV&#41; infection is a well-recognized risk factor for hepatocellular carcinoma &#40;HCC&#41;&#46; HCC is a malignant tumor that usually emerges in patients with chronic liver disease and hepatitis B&#44; hepatitis C and alcoholic cirrhosis are the more frequent predisposing conditions&#46;<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1</span></a><span class="elsevierStyleSup">-</span><a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a></p><p id="p0010" class="elsevierStylePara elsevierViewall">The incidence of HCC is highly variable across the world and it runs a parallel course with the prevalence of chronic carriers of hepatitis B virus &#40;HBV&#41; at each region&#46;<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2</span></a><span class="elsevierStyleSup">-</span><a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> Thus&#44; in areas with high endemicity of HBV&#44; like sub-Saharan Africa or Eastern Asia&#44; the highest annual incidence rates of HCC are found &#40;greater than 30&#47;100&#46;000 individuals&#41; and most of patients are young adults who became infected with the virus very early at their lives&#44; either through vertical &#40;mother to newborn&#41; or horizontal &#40;between siblings&#41; transmission&#46; More than 80&#37; of world cases of HCC occur in these 2 regions and China alone accounts for more than 50&#37;&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> In contrast&#44; intermediate annual incidence rates &#40;5-20&#47; 100&#46;000 individuals&#41; are observed in Southern European countries &#40;Italy&#44; Spain&#44; Greece&#41; and low annual incidence rates &#40;lower than 5&#47;100&#46;000 individuals&#41; in Northern European countries&#44; Oceania and North and South America&#44; where the rates of chronic carriers of HBV are coincidently low&#46; In all these regions&#44; chronic hepatitis C and alcoholic cirrhosis are the main risk factors for HCC&#46;<a class="elsevierStyleCrossRefs" href="#bib0025"><span class="elsevierStyleSup">5</span></a><span class="elsevierStyleSup">-</span><a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a></p><p id="p0015" class="elsevierStylePara elsevierViewall">There is a difference also in the incidence trends of HCC between the Asian and some of the occidental countries&#46; A decreasing incidence of HCC has been reported in Taiwan as a consequence of the ins-tauration of universal hepatitis B vaccination pro-grams&#59;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">11</span></a> and in China&#44; due to a government program promoting dietetic changes and then a reduced exposure to the hepatocarcinogen aflatoxin B<span class="elsevierStyleInf">1</span>&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">12</span></a> In contrast&#44; many studies performed in indus-trialized countries &#40;USA&#44; United Kingdom&#44; Italy&#44; France and Canada&#41; have been showing a significant increase of the incidence&#46;<a class="elsevierStyleCrossRefs" href="#bib0065"><span class="elsevierStyleSup">13</span></a><span class="elsevierStyleSup">-</span><a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">16</span></a> A recently published study showed that the age-adjusted HCC incidence rates tripled between 1975 and 2005 in USA&#46;<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">17</span></a> In that country&#44; available studies suggest that HCV infection acquired 2-4 decades ago accounts at least 50&#37; of the observed increase in HCC&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">18</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">19</span></a></p><p id="p0020" class="elsevierStylePara elsevierViewall">In Latin America&#44; a few published studies have also showed the importance of hepatitis C and chronic alcoholism as risk factors for HCC&#46;<a class="elsevierStyleCrossRefs" href="#bib0100"><span class="elsevierStyleSup">20</span></a><span class="elsevierStyleSup">-</span><a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">24</span></a> Small retrospective series of patients with HCC from Mexico and Chile reported that chronic HCV infection was present in 73&#37; and 48&#37; of them&#44; respectively&#46;<a class="elsevierStyleCrossRef" href="#bib0105"><span class="elsevierStyleSup">21</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">22</span></a> A multicenter series from Brazil including 287 HCC cases &#40;but with full serological studies available in only 132 out of them&#41;&#44; found that hepatitis C accounted for 25&#37;&#46;<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">20</span></a> In Argentina&#44; a retrospective multicenter study analyzed the etiology among 551 patients with HCC and showed that alcoholic cirrhosis and chronic hepatitis C were present in 76&#37; of cases &#40;hepatitis C in 40&#46;5&#37;&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0115"><span class="elsevierStyleSup">23</span></a> Recently&#44; the first prospective study aimed in investigating etiology of HCC in Latin America was performed&#46;<a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">24</span></a> Most of the patients were included by colleagues from Argentina&#44; Brazil&#44; Venezuela and Colombia&#46; Hepatitis C was shown to be the leading risk factor for HCC&#44; present in 38&#37; out of 240 cases<a class="elsevierStyleCrossRef" href="#bib0120"><span class="elsevierStyleSup">24</span></a> &#40;without significant differences between the countries&#41;&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Risk Factors for Hcc Among Patients with Chronic Hepatitis C</span><p id="p0025" class="elsevierStylePara elsevierViewall">The main risk factor for occurrence of HCC in patients with hepatitis C is the presence of cirrhosis&#46; Almost all the patients with HCC associated with HCV have cirrhosis at the time of diagnosis&#46; Among patients with HCV-related cirrhosis&#44; the annual incidence of HCC ranges between 2-8&#37;&#46;<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">25</span></a> The rate is higher in Japan &#40;4-8&#37;&#41;&#44;<a class="elsevierStyleCrossRef" href="#bib0130"><span class="elsevierStyleSup">26</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">27</span></a> intermediate in Italy &#40;2-4&#37;&#41;&#44;<a class="elsevierStyleCrossRef" href="#bib0140"><span class="elsevierStyleSup">28</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0145"><span class="elsevierStyleSup">29</span></a> and lower in USA &#40;1&#46;4&#37;&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">30</span></a> The 5-year cumulative risk for HCC in patients with cirrhosis was 17&#37; in Europe and 30&#37; in Japan&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> Furthermore&#44; studies from Italy have shown that HCC was the main cause of death and the first complication to develop among compensated cirrhotic patients&#59;<a class="elsevierStyleCrossRef" href="#bib0140"><span class="elsevierStyleSup">28</span></a> and&#44; also in Japan&#44; the development of HCC was more frequent than that of hepatic failure&#46;<a class="elsevierStyleCrossRef" href="#bib0155"><span class="elsevierStyleSup">31</span></a></p><p id="p0030" class="elsevierStylePara elsevierViewall">The risk for HCC is much lower in patients with noncirrhotic hepatitis C&#46; In a Japanese study&#44; the incidence per 100 person years increased from 0&#46;4 among those with stage F0-F1 to 1&#46;5 in stage F2&#44; 5&#46;1 in stage F3 and to 6&#46;9 in stage F4&#46;<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">27</span></a> In a multicen-ter study from USA&#44; that included 1005 patients&#44; the cumulative 5-year HCC incidence was 7&#46;0&#37; among patients with cirrhosis and 4&#46;1&#37; in those with bridging fibrosis in the baseline liver biopsy&#46; In 18&#37; of patients with occurrence of HCC during follow-up&#44; serial biopsies did not show progression to cirrho-sis&#46;<a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">30</span></a> However&#44; most of experts think that severe liver fibrosis secondary to long-lasting chronic inflammation and liver regeneration resulting from immune-mediated cell death are factors contributing to HCC development&#59; and that a direct oncogenic role of HCV remains to be determined&#46;<a class="elsevierStyleCrossRef" href="#bib0160"><span class="elsevierStyleSup">32</span></a></p><p id="p0035" class="elsevierStylePara elsevierViewall">Among patients with cirrhosis associated with HCV&#44; risk factors for developing HCC can be separated in host-related&#44; virus-related and external ones&#46; Some host-related factors that have been independently associated with progression to HCC are older age at infection &#40;&#62; 50 years&#41;&#44; male gender&#44; decreased platelet count&#44; esophageal varices&#59;<a class="elsevierStyleCrossRefs" href="#bib0015"><span class="elsevierStyleSup">3</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">30</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">33</span></a> and presence of comorbid conditions&#44; including porphyria cutanea tarda&#44;<a class="elsevierStyleCrossRef" href="#bib0170"><span class="elsevierStyleSup">34</span></a> liver steatosis <a class="elsevierStyleCrossRef" href="#bib0175"><span class="elsevierStyleSup">35</span></a> and diabetes&#46;</p><p id="p0040" class="elsevierStylePara elsevierViewall">Regarding viral-related factors&#44; there is no evidence that viral load influences the risk for developing HCC&#46; Considering that previous research had produced controversial results&#44; a recent meta-analy-sis was performed to investigate whether genotype 1b was associated with a higher risk of HCC&#46;<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">36</span></a> Authors focused on 21 studies that presented age-adjusted risk estimates for genotype 1b versus other genotypes and found that patients infected with HCV-1b had almost double the risk to develop HCC than those infected with the others &#91;Relative Risk &#40;95&#37; Confidence Intervals&#41; &#61; 1&#46;78 &#40;1&#46;36-2&#46;32&#41;&#93;&#46;<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">36</span></a></p><p id="p0045" class="elsevierStylePara elsevierViewall">Cohort studies from Italy and China have shown that cirrhotic patients coinfected with HCV and HBV had a 2-to 6-fold higher risk of developing HCC compared with those infected with only one vi-rus&#59;<a class="elsevierStyleCrossRef" href="#bib0185"><span class="elsevierStyleSup">37</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0190"><span class="elsevierStyleSup">38</span></a> and a meta-analysis of 32 case-control studies found a synergistic effect between HBV and HCV infections in causing HCC&#46;<a class="elsevierStyleCrossRef" href="#bib0195"><span class="elsevierStyleSup">39</span></a> Interestingly&#44; patients with chronic hepatitis C and an occult HBV infection &#40;presence of HBV DNA in the liver or in serum but HBsAg negative&#41; had also a higher risk of HCC during follow-up than those with HCV infection alone&#59;<a class="elsevierStyleCrossRef" href="#bib0200"><span class="elsevierStyleSup">40</span></a> and HBV DNA was frequently detected in liver tissue of Japanese patients with a sustained virologic response to antiviral treatment for hepatitis C who developed a HCC&#46;<a class="elsevierStyleCrossRef" href="#bib0205"><span class="elsevierStyleSup">41</span></a> In contrast&#44; recent studies have shown that a past HBV infection &#40;anti-HBc seropositivity with HBsAg negative&#41; does not mean an additional risk for HCC&#44; when multivariate analysis are performed&#46;<a class="elsevierStyleCrossRef" href="#bib0210"><span class="elsevierStyleSup">42</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0215"><span class="elsevierStyleSup">43</span></a></p><p id="p0050" class="elsevierStylePara elsevierViewall">Coinfection with HIV may also modify the natural history of chronic hepatitis C and a faster progression to cirrhosis has been described&#46; A retrospective study showed that anti-HIV positive patients with HCC were younger at the diagnosis time than anti-HIV negative ones&#59; and the estimated time from HCV infection to HCC was significantly shorter in the coinfected patients than in monoinfec-ted ones &#40;26&#46;1 <span class="elsevierStyleItalic">vs&#46;</span> 33&#46;8 years&#44; respectively&#41; &#40;p 0&#46;002&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0220"><span class="elsevierStyleSup">44</span></a></p><p id="p0055" class="elsevierStylePara elsevierViewall">In respect to external factors&#44; chronic alcoholism and hepatitis C seem to have a synergistic effect in increasing risk for HCC&#46; Case-control studies have shown that among patients with chronic hepatitis C&#44; there is an approximately 2-fold increased risk for HCC in heavy drinkers as compared to non-drinkers&#59;<a class="elsevierStyleCrossRef" href="#bib0225"><span class="elsevierStyleSup">45</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0230"><span class="elsevierStyleSup">46</span></a> and longitudinal studies performed in Japan have found that lifetime alcohol use was independently associated with risk for HCC in patients with hepatitis C&#46;<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">26</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bib0235"><span class="elsevierStyleSup">47</span></a> Another external factor that modifies the incidence of HCC in patients with chronic hepatitis C is the effect of antiviral treatment based on interferon&#46; A recently published meta-analysis including 20 studies &#40;4&#46;700 patients&#41; showed that the risk of HCC had been reduced in treatment groups &#40;interferon alone in 18 studies&#44; in association with ribavirin in 2&#41; as compared to controls &#91;Relative Risk &#40;95&#37; CI&#41;&#44; 0&#46;43 &#40;0&#46;33-0&#46;56&#41;&#93;&#46;<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">48</span></a> As expected&#44; risk was significantly lower in patients with a sustained virologic response versus nonresponders &#91;Relative Risk &#40;95&#37; CI&#41;&#44; 0&#46;35 &#40;0&#46;26-0&#46;46&#41;&#93;&#46;<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">48</span></a> However&#44; another recent meta-analysis &#40;including 3&#46;246 patients&#41; concluded that interferon treatment prevented the development of HCC in chronic hepatitis C&#44; even in nonresponders&#46;<a class="elsevierStyleCrossRef" href="#bib0245"><span class="elsevierStyleSup">49</span></a></p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Surveillance for Hepatocellular Carcinoma</span><p id="p0060" class="elsevierStylePara elsevierViewall">Patients with hepatitis C and cirrhosis should undergo surveillance for HCC&#46; In those with bridging fibrosis&#44; the cost-efficacy of this strategy has not been evaluated&#46;<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">25</span></a> Surveillance should be performed using ultrasonography&#44; at 6 month intervals&#46; If nodules are detected on ultrasound&#44; patients should undergo diagnostic algorithms suggested by recent HCC Guidelines&#46;</p></span></span>"
    "textoCompletoSecciones" => array:1 [
      "secciones" => array:5 [
        0 => array:3 [
          "identificador" => "xres1210326"
          "titulo" => "Abstract"
          "secciones" => array:1 [
            0 => array:1 [
              "identificador" => "abs0005"
            ]
          ]
        ]
        1 => array:2 [
          "identificador" => "xpalclavsec1126743"
          "titulo" => "Key words"
        ]
        2 => array:2 [
          "identificador" => "sec0005"
          "titulo" => "Risk Factors for Hcc Among Patients with Chronic Hepatitis C"
        ]
        3 => array:2 [
          "identificador" => "sec0010"
          "titulo" => "Surveillance for Hepatocellular Carcinoma"
        ]
        4 => array:1 [
          "titulo" => "References"
        ]
      ]
    ]
    "pdfFichero" => "main.pdf"
    "tienePdf" => true
    "fechaRecibido" => "2010-03-20"
    "fechaAceptado" => "2010-04-20"
    "PalabrasClave" => array:1 [
      "en" => array:1 [
        0 => array:4 [
          "clase" => "keyword"
          "titulo" => "Key words"
          "identificador" => "xpalclavsec1126743"
          "palabras" => array:6 [
            0 => "Hepatocarcinoma"
            1 => "Risk factors for hepatocarcinoma"
            2 => "Cirrhosis"
            3 => "Incidence of hepatocarcinoma"
            4 => "Interferon"
            5 => "Coinfection"
          ]
        ]
      ]
    ]
    "tieneResumen" => true
    "resumen" => array:1 [
      "en" => array:2 [
        "titulo" => "Abstract"
        "resumen" => "<span id="abs0005" class="elsevierStyleSection elsevierViewall"><p id="sp0005" class="elsevierStyleSimplePara elsevierViewall">Chronic hepatitis C virus infection is a well-recognized risk factor for occurrence of hepatocellular carcinoma &#40;HCC&#41;&#46; In Europe&#44; Oceania and America&#44; chronic hepatitis C and alcoholic cirrhosis are the main risk factors for HCC&#46; In Latin America&#44; a few retrospective and one prospective study have also shown the pre-dominant role played by hepatitis C in this setting&#46; Furthermore&#44; the incidence of HCC has been increasing in industrialized countries in the last decades&#59; partially as a consequence of the increase in HCV-related cirrhosis &#40;as the long-term sequel of the peak of infections occurring 2-4 decades ago&#41;&#46; The main risk factor for HCC development in patients with hepatitis C is the presence of cirrhosis&#46; Among patients with hepatitis C and cirrhosis&#44; the annual incidence rate of HCC ranges between 1-8&#37;&#44; being higher in Japan &#40;4-8&#37;&#41; intermediate in Italy &#40;2-4&#37;&#41; and lower in USA &#40;1&#46;4&#37;&#41;&#46; Some studies have also found that HCC may be the first complication to develop and the more frequent cause of death in the compensated HCV-associated cirrhosis&#46; Other risk factors for HCC occurrence are older age at infection&#44; male gender&#44; decreased platelet count&#44; esophageal varices&#44; presence of porphyria cutanea tarda&#44; liver steatosis or diabetes&#44; infection with genotype 1b&#44; coinfection with hepatitis B virus or with HIV and chronic alcoholism&#46; Many studies and also meta-analysis have reported that antiviral therapy based on interferon may reduce the incidence of HCC in chronic hepatitis C&#44; especially in patients with sustained virologic response&#46; Patients with HCV-related cirrhosis should undergo surveillance for HCC&#46;</p></span>"
      ]
    ]
    "bibliografia" => array:2 [
      "titulo" => "References"
      "seccion" => array:1 [
        0 => array:2 [
          "identificador" => "bs0005"
          "bibliografiaReferencia" => array:49 [
            0 => array:3 [
              "identificador" => "bib0005"
              "etiqueta" => "1&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatocellular carcinoma&#58; epidemiology&#44; risk factors&#44; and screening&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:1 [
                            0 => "Sherman M"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:5 [
                        "tituloSerie" => "Semin Liv Dis"
                        "fecha" => "2005"
                        "volumen" => "25"
                        "paginaInicial" => "143"
                        "paginaFinal" => "154"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            1 => array:3 [
              "identificador" => "bib0010"
              "etiqueta" => "2&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Primary liver cancer&#58; worldwide incidence and trends&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
                            0 => "Bosch FX"
                            1 => "Ribes J"
                            2 => "D&#237;az M"
                            3 => "Cl&#233;ries R"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Gastroenterology"
                        "fecha" => "2004"
                        "volumen" => "127"
                        "paginaInicial" => "S5"
                        "paginaFinal" => "S16"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15508102"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            2 => array:3 [
              "identificador" => "bib0015"
              "etiqueta" => "3&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatocellular carcinoma in cirrhosis&#58; incidence and risk factors&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
                            0 => "Fattovich G"
                            1 => "Stroffolini T"
                            2 => "Zagni I"
                            3 => "Donato F"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Gastroenterology"
                        "fecha" => "2004"
                        "volumen" => "127"
                        "paginaInicial" => "S35"
                        "paginaFinal" => "S50"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15508101"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            3 => array:3 [
              "identificador" => "bib0020"
              "etiqueta" => "4&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatocellular carcinoma&#58; epidemiology and molecular carcinogenesis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "El-Serag HB"
                            1 => "Rudolph KL"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1053/j.gastro.2007.04.061"
                      "Revista" => array:6 [
                        "tituloSerie" => "Gastroenterology"
                        "fecha" => "2007"
                        "volumen" => "132"
                        "paginaInicial" => "2557"
                        "paginaFinal" => "2576"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/17570226"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            4 => array:3 [
              "identificador" => "bib0025"
              "etiqueta" => "5&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Prevalence of antibodies to hepatitis C virus in Spanish patients with hepatocellular carcinoma and hepatic cirrhosis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Bruix J"
                            1 => "Barrera JM"
                            2 => "Calvet X"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/s0140-6736(89)91015-5"
                      "Revista" => array:6 [
                        "tituloSerie" => "Lancet"
                        "fecha" => "1989"
                        "volumen" => "2"
                        "paginaInicial" => "1004"
                        "paginaFinal" => "1006"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/2572739"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            5 => array:3 [
              "identificador" => "bib0030"
              "etiqueta" => "6&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Prevalence of antibodies to hepatitis C virus in Italian patients with hepatocellular carcinoma&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Colombo M"
                            1 => "Kuo G"
                            2 => "Choo QL"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/s0140-6736(89)91016-7"
                      "Revista" => array:6 [
                        "tituloSerie" => "Lancet"
                        "fecha" => "1989"
                        "volumen" => "2"
                        "paginaInicial" => "1006"
                        "paginaFinal" => "1008"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/2572740"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            6 => array:3 [
              "identificador" => "bib0035"
              "etiqueta" => "7&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Expanding the natural history of nonalcoholic steatohepatitis&#58; from cryptogenic cirrhosis to hepatocellular carcinoma&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Bugianesi E"
                            1 => "Leone N"
                            2 => "Vanni E"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Gastroenterology"
                        "fecha" => "2002"
                        "volumen" => "123"
                        "paginaInicial" => "134"
                        "paginaFinal" => "140"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/12105842"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            7 => array:3 [
              "identificador" => "bib0040"
              "etiqueta" => "8&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatitis B and C virus infection&#44; alcohol drinking&#44; and hepatocellular carcinoma&#58; a case-control study in Italy&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Donato F"
                            1 => "Tagger A"
                            2 => "Chiesa R"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1002/hep.510260308"
                      "Revista" => array:6 [
                        "tituloSerie" => "Hepatology"
                        "fecha" => "1997"
                        "volumen" => "26"
                        "paginaInicial" => "579"
                        "paginaFinal" => "584"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9303486"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            8 => array:3 [
              "identificador" => "bib0045"
              "etiqueta" => "9&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Survival in hepatocellular carcinoma&#58; impact of screening and etiology of liver disease&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Kemp W"
                            1 => "Pianko S"
                            2 => "Nguyen S"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1111/j.1440-1746.2005.03844.x"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Gastroenterol Hepatol"
                        "fecha" => "2005"
                        "volumen" => "20"
                        "paginaInicial" => "873"
                        "paginaFinal" => "881"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15946134"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            9 => array:3 [
              "identificador" => "bib0050"
              "etiqueta" => "10&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Primitive liver cancers&#58; epidemiology and geographical study in France&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Borie F"
                            1 => "Tr&#233;tarre B"
                            2 => "Bouvier AM"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1097/MEG.0b013e3283293783"
                      "Revista" => array:6 [
                        "tituloSerie" => "Eur J Gastroenterol Hepatol"
                        "fecha" => "2009"
                        "volumen" => "21"
                        "paginaInicial" => "984"
                        "paginaFinal" => "989"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19357522"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            10 => array:3 [
              "identificador" => "bib0055"
              "etiqueta" => "11&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Universal hepatitis B vaccination in Taiwan and the incidence of hepatocellular carcinoma in children&#46; Taiwan Childhood Hepatoma Study Group&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Chang MH"
                            1 => "Chen CJ"
                            2 => "Lai MS"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1056/NEJM199706263362602"
                      "Revista" => array:6 [
                        "tituloSerie" => "N Engl J Med"
                        "fecha" => "1997"
                        "volumen" => "336"
                        "paginaInicial" => "1855"
                        "paginaFinal" => "1859"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9197213"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            11 => array:3 [
              "identificador" => "bib0060"
              "etiqueta" => "12&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Primary prevention of hepatocellular carcinoma&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:1 [
                            0 => "Yu SZ"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "J Gastroenterol Hepatol"
                        "fecha" => "1995"
                        "volumen" => "10"
                        "paginaInicial" => "674"
                        "paginaFinal" => "682"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/8580413"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            12 => array:3 [
              "identificador" => "bib0065"
              "etiqueta" => "13&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Rising incidence of hepatocellular carcinoma in the Uinted States&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "El-Serag HB"
                            1 => "Mason AC"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1056/NEJM199903113401001"
                      "Revista" => array:6 [
                        "tituloSerie" => "N Engl J Med"
                        "fecha" => "1999"
                        "volumen" => "340"
                        "paginaInicial" => "745"
                        "paginaFinal" => "750"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/10072408"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            13 => array:3 [
              "identificador" => "bib0070"
              "etiqueta" => "14&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Increase in primary liver cancer in the UK&#44; 1979-94&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Taylor-Robinson SD"
                            1 => "Foster GR"
                            2 => "Arora S"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/S0140-6736(05)63789-0"
                      "Revista" => array:6 [
                        "tituloSerie" => "Lancet"
                        "fecha" => "1997"
                        "volumen" => "350"
                        "paginaInicial" => "1142"
                        "paginaFinal" => "1143"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9343506"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            14 => array:3 [
              "identificador" => "bib0075"
              "etiqueta" => "15&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Cancer mortality in Europe&#44; 1995-1999&#44; and overview of trends since 1960&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Levi F"
                            1 => "Lucchini F"
                            2 => "Negri E"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1002/ijc.20097"
                      "Revista" => array:6 [
                        "tituloSerie" => "Int J Cancer"
                        "fecha" => "2004"
                        "volumen" => "110"
                        "paginaInicial" => "155"
                        "paginaFinal" => "169"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15069676"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            15 => array:3 [
              "identificador" => "bib0080"
              "etiqueta" => "16&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Review article&#58; the changing epidemiology of hepatocellular carcinoma in Canada&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "Dyer Z"
                            1 => "Peltekian K"
                            2 => "van Zanten SV"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1111/j.1365-2036.2005.02504.x"
                      "Revista" => array:6 [
                        "tituloSerie" => "Aliment Pharmacol Ther"
                        "fecha" => "2005"
                        "volumen" => "22"
                        "paginaInicial" => "17"
                        "paginaFinal" => "22"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15963075"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            16 => array:3 [
              "identificador" => "bib0085"
              "etiqueta" => "17&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatocellular carcinoma incidence&#44; mortality and survival trends in the United States from 1975 to 2005&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "Altekruse SF"
                            1 => "McGlynn KA"
                            2 => "Reichman ME"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1200/JCO.2008.20.7753"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Clin Oncol"
                        "fecha" => "2009"
                        "volumen" => "27"
                        "paginaInicial" => "1485"
                        "paginaFinal" => "1491"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19224838"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            17 => array:3 [
              "identificador" => "bib0090"
              "etiqueta" => "18&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Risk factors for the rising rates of primary liver cancer in the United States&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "El-Serag HB"
                            1 => "Mason AC"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Arch Intern Med"
                        "fecha" => "2000"
                        "volumen" => "160"
                        "paginaInicial" => "3227"
                        "paginaFinal" => "3230"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/11088082"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            18 => array:3 [
              "identificador" => "bib0095"
              "etiqueta" => "19&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatocellular carcinoma&#58; recent trends in the United States&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:1 [
                            0 => "El-Serag HB"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Gastroenterology"
                        "fecha" => "2004"
                        "volumen" => "127"
                        "paginaInicial" => "S27"
                        "paginaFinal" => "S34"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15508094"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            19 => array:3 [
              "identificador" => "bib0100"
              "etiqueta" => "20&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatocellular carcinoma in Brazil&#58; report of a national survey &#40;Florianopolis&#44; SC&#44; 1995&#41;&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "Goncalves CS"
                            1 => "Pereira FE"
                            2 => "Gayotto LC"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1590/s0036-46651997000300008"
                      "Revista" => array:7 [
                        "tituloSerie" => "Rev Inst Med Trop Sao Paulo"
                        "fecha" => "1997"
                        "volumen" => "39"
                        "paginaInicial" => "165"
                        "paginaFinal" => "170"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9460258"
                            "web" => "Medline"
                          ]
                        ]
                        "itemHostRev" => array:3 [
                          "pii" => "S1529943014001090"
                          "estado" => "S300"
                          "issn" => "15299430"
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            20 => array:3 [
              "identificador" => "bib0105"
              "etiqueta" => "21&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatocellular carcinoma and hepatitis C in Mexico&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Mondragon-Sanchez R"
                            1 => "Garduno-L&#243;pez AL"
                            2 => "Hern&#225;ndez-Castillo E"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Hepatogastroenterology"
                        "fecha" => "2005"
                        "volumen" => "52"
                        "paginaInicial" => "1159"
                        "paginaFinal" => "1162"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/16001652"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            21 => array:3 [
              "identificador" => "bib0110"
              "etiqueta" => "22&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Prevalence and genotypes of hepatitis C virus in blood donors and in patients with chronic liver disease and hepatocarcinoma in a Chilean population&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Mu&#241;oz G"
                            1 => "Velazco M"
                            2 => "Thiers V"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Rev Med Chil"
                        "fecha" => "1998"
                        "volumen" => "126"
                        "paginaInicial" => "1035"
                        "paginaFinal" => "1042"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9922505"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            22 => array:3 [
              "identificador" => "bib0115"
              "etiqueta" => "23&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Etiology of hepatocellular carcinoma in Argentina&#58; results of a multicenter retrospective study&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Fassio E"
                            1 => "M&#237;guez C"
                            2 => "Soria S"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:5 [
                        "tituloSerie" => "Acta Gastroenterol Latinoamer"
                        "fecha" => "2009"
                        "volumen" => "39"
                        "paginaInicial" => "47"
                        "paginaFinal" => "52"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            23 => array:3 [
              "identificador" => "bib0120"
              "etiqueta" => "24&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Etiology of hepatocellular carcinoma in Latin America&#58; a prospective&#44; multicenter&#44; international study&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:6 [
                            0 => "Fassio E"
                            1 => "D&#237;az S"
                            2 => "Santa C"
                            3 => "Reig ME"
                            4 => "Mart&#237;nez Artola Y"
                            5 => "Alves de Mattos A"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Ann Hepatol"
                        "fecha" => "2010"
                        "volumen" => "9"
                        "paginaInicial" => "63"
                        "paginaFinal" => "69"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/20332549"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            24 => array:3 [
              "identificador" => "bib0125"
              "etiqueta" => "25&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Management of hepatocellular carcinoma&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "Bruix J"
                            1 => "Sherman M"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1002/hep.20933"
                      "Revista" => array:6 [
                        "tituloSerie" => "Hepatology"
                        "fecha" => "2005"
                        "volumen" => "42"
                        "paginaInicial" => "1208"
                        "paginaFinal" => "1236"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/16250051"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            25 => array:3 [
              "identificador" => "bib0130"
              "etiqueta" => "26&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "A multivariate analysis of risk factors for hepatocellular carcinogenesis&#58; a prospective observation of 795 patients with viral and alcoholic cirrhosis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Ikeda K"
                            1 => "Saitoh S"
                            2 => "Koida I"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Hepatology"
                        "fecha" => "1993"
                        "volumen" => "18"
                        "paginaInicial" => "47"
                        "paginaFinal" => "53"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/7686879"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            26 => array:3 [
              "identificador" => "bib0135"
              "etiqueta" => "27&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Interferon therapy reduces the risk for hepatocellular carcinoma&#58; national surveillance program of cirrhotic and noncirrhotic patients with chronic hepatitis C in Japan&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Yoshida H"
                            1 => "Shiratori Y"
                            2 => "Moriyama M"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.7326/0003-4819-131-3-199908030-00003"
                      "Revista" => array:6 [
                        "tituloSerie" => "Ann Intern Med"
                        "fecha" => "1999"
                        "volumen" => "131"
                        "paginaInicial" => "174"
                        "paginaFinal" => "181"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/10428733"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            27 => array:3 [
              "identificador" => "bib0140"
              "etiqueta" => "28&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "The natural history of compensated cirrhosis due to hepatitis C virus&#58; a 17-year cohort study of 214 patients&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Sangiovanni A"
                            1 => "Prati GM"
                            2 => "Fasani P"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1002/hep.21176"
                      "Revista" => array:6 [
                        "tituloSerie" => "Hepatology"
                        "fecha" => "2006"
                        "volumen" => "43"
                        "paginaInicial" => "1303"
                        "paginaFinal" => "1310"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/16729298"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            28 => array:3 [
              "identificador" => "bib0145"
              "etiqueta" => "29&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Effect of hepatitis B and C virus infections on the natural history of compensated cirrhosis&#58; a cohort study of 297 patients&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Fattovich G"
                            1 => "Pantalena M"
                            2 => "Zagni I"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1111/j.1572-0241.2002.07057.x"
                      "Revista" => array:6 [
                        "tituloSerie" => "Am J Gastroenterol"
                        "fecha" => "2002"
                        "volumen" => "97"
                        "paginaInicial" => "2886"
                        "paginaFinal" => "2895"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/12425564"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            29 => array:3 [
              "identificador" => "bib0150"
              "etiqueta" => "30&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Incidence of hepatocellular carcinoma and associated risk factors in hepatitis C-related advanced liver disease&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Lok AS"
                            1 => "Seef LB"
                            2 => "Morgan TR"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1053/j.gastro.2008.09.014"
                      "Revista" => array:6 [
                        "tituloSerie" => "Gastroenterology"
                        "fecha" => "2009"
                        "volumen" => "136"
                        "paginaInicial" => "138"
                        "paginaFinal" => "148"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/18848939"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            30 => array:3 [
              "identificador" => "bib0155"
              "etiqueta" => "31&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Lower incidence of hepatic failure than hepatocellular carcinoma in Japanese patients with chronic hepatitis C&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Imazeki F"
                            1 => "Yokosuka O"
                            2 => "Fukai K"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1111/j.1478-3231.2005.01062.x"
                      "Revista" => array:6 [
                        "tituloSerie" => "Liver Int"
                        "fecha" => "2005"
                        "volumen" => "25"
                        "paginaInicial" => "772"
                        "paginaFinal" => "778"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15998428"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            31 => array:3 [
              "identificador" => "bib0160"
              "etiqueta" => "32&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatitis C virusinduced hepatocarcinogenesis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
                            0 => "Bartosch B"
                            1 => "Thimme R"
                            2 => "Blum HE"
                            3 => "Zoulim F"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/j.jhep.2009.05.008"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Hepatol"
                        "fecha" => "2009"
                        "volumen" => "51"
                        "paginaInicial" => "810"
                        "paginaFinal" => "820"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19545926"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            32 => array:3 [
              "identificador" => "bib0165"
              "etiqueta" => "33&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatitis C virus related cirrhosis&#58; time to occurrence of hepatocellular carcinoma and death&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Degos F"
                            1 => "Christidis C"
                            2 => "Ganne-Carrie N"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1136/gut.47.1.131"
                      "Revista" => array:6 [
                        "tituloSerie" => "Gut"
                        "fecha" => "2000"
                        "volumen" => "47"
                        "paginaInicial" => "131"
                        "paginaFinal" => "136"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/10861275"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            33 => array:3 [
              "identificador" => "bib0170"
              "etiqueta" => "34&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Liver cancer risk is increased in patients with porphyria cutanea tarda in comparison to matched control patients with chronic liver disease&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Fracanzani AL"
                            1 => "Taioli E"
                            2 => "Sampietro M"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "J Hepatol"
                        "fecha" => "2001"
                        "volumen" => "35"
                        "paginaInicial" => "498"
                        "paginaFinal" => "503"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/11682034"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            34 => array:3 [
              "identificador" => "bib0175"
              "etiqueta" => "35&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatic steatosis is a risk factor for hepatocellular carcinoma in patients with chronic hepatitis C virus infection&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Ohata K"
                            1 => "Hamasaki K"
                            2 => "Toriyama K"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1002/cncr.11427"
                      "Revista" => array:6 [
                        "tituloSerie" => "Cancer"
                        "fecha" => "2003"
                        "volumen" => "97"
                        "paginaInicial" => "3036"
                        "paginaFinal" => "3043"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/12784339"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            35 => array:3 [
              "identificador" => "bib0180"
              "etiqueta" => "36&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatitis C virus genotype 1b as a risk factor for hepatocellular carcinoma development&#58; a meta-analysis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
                            0 => "Raimondi S"
                            1 => "Bruno S"
                            2 => "Mondelli MU"
                            3 => "Maisonneve P"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/j.jhep.2009.01.019"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Hepatol"
                        "fecha" => "2009"
                        "volumen" => "50"
                        "paginaInicial" => "1142"
                        "paginaFinal" => "1154"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19395111"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            36 => array:3 [
              "identificador" => "bib0185"
              "etiqueta" => "37&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Rate of incidence of hepatocellular carcinoma in patients with compensated viral cirrhosis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Chiaramonte M"
                            1 => "Stroffolini T"
                            2 => "Vian A"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Cancer"
                        "fecha" => "1999"
                        "volumen" => "85"
                        "paginaInicial" => "2132"
                        "paginaFinal" => "2137"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/10326690"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            37 => array:3 [
              "identificador" => "bib0190"
              "etiqueta" => "38&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Effect of hepatitis C and B virus infection on risk of hepatocellular carcinoma&#58; a prospective study&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Tsai JF"
                            1 => "Jeng JE"
                            2 => "Ho MS"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1038/bjc.1997.493"
                      "Revista" => array:6 [
                        "tituloSerie" => "Br J Cancer"
                        "fecha" => "1997"
                        "volumen" => "76"
                        "paginaInicial" => "968"
                        "paginaFinal" => "974"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9328161"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            38 => array:3 [
              "identificador" => "bib0195"
              "etiqueta" => "39&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "A meta-analysis of epide-miological studies on the combined effect of hepatitis B and C virus infections on causing hepatocellular carcinoma&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "Donato F"
                            1 => "Boffetta P"
                            2 => "Puoti M"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Int J Cancer"
                        "fecha" => "1998"
                        "volumen" => "75"
                        "paginaInicial" => "347"
                        "paginaFinal" => "354"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9455792"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            39 => array:3 [
              "identificador" => "bib0200"
              "etiqueta" => "40&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Occult hepatitis B virus infection is associated with the development of hepatocellular carcinoma in chronic hepatitis C patients&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Squadrito G"
                            1 => "Pollicino T"
                            2 => "Cacciola I"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1002/cncr.21702"
                      "Revista" => array:6 [
                        "tituloSerie" => "Cancer"
                        "fecha" => "2006"
                        "volumen" => "106"
                        "paginaInicial" => "1326"
                        "paginaFinal" => "1330"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/16453330"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            40 => array:3 [
              "identificador" => "bib0205"
              "etiqueta" => "41&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Frequent detection of hepatitis B virus DNA in hepatocellular carcinoma of patients with sustained virologic response for hepatitis C virus&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Tamori A"
                            1 => "Hayashi T"
                            2 => "Shinzaki M"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1002/jmv.21488"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Med Virol"
                        "fecha" => "2009"
                        "volumen" => "81"
                        "paginaInicial" => "1009"
                        "paginaFinal" => "1014"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19382258"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            41 => array:3 [
              "identificador" => "bib0210"
              "etiqueta" => "42&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Influence of anti-HBc seropositivity on the risk of hepatocellular carcinoma in HCV-infected patients after adjusting for confounding factors&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Ohki T"
                            1 => "Tateishi R"
                            2 => "Goto E"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1111/j.1365-2893.2009.01152.x"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Viral Hepat"
                        "fecha" => "2010"
                        "volumen" => "17"
                        "paginaInicial" => "91"
                        "paginaFinal" => "97"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19566786"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            42 => array:3 [
              "identificador" => "bib0215"
              "etiqueta" => "43&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Lack of correlation between serum anti-HBcore detectability and hepatocellular carcinoma in patients with HCV-related cirrhosis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Stroffolini T"
                            1 => "Almasio PL"
                            2 => "Persico M"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1111/j.1572-0241.2008.01912.x"
                      "Revista" => array:6 [
                        "tituloSerie" => "Am J Gastroenterol"
                        "fecha" => "2008"
                        "volumen" => "103"
                        "paginaInicial" => "1966"
                        "paginaFinal" => "1972"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/18637087"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            43 => array:3 [
              "identificador" => "bib0220"
              "etiqueta" => "44&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Presentation and outcome of hepatocellular carcinoma in HIV-infected patients&#58; a U&#46;S&#46;-Canadian multicenter study&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Br&#228;u N"
                            1 => "Fox RK"
                            2 => "Xiao P"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/j.jhep.2007.06.010"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Hepatol"
                        "fecha" => "2007"
                        "volumen" => "47"
                        "paginaInicial" => "527"
                        "paginaFinal" => "537"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/17692986"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            44 => array:3 [
              "identificador" => "bib0225"
              "etiqueta" => "45&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Association between hepatitis C virus antibodies and hepatocellular carcinoma in Taiwan&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Yu MW"
                            1 => "You SL"
                            2 => "Chang CJ"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:7 [
                        "tituloSerie" => "Cancer Res"
                        "fecha" => "1991"
                        "volumen" => "51"
                        "paginaInicial" => "5621"
                        "paginaFinal" => "5625"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/1655259"
                            "web" => "Medline"
                          ]
                        ]
                        "itemHostRev" => array:3 [
                          "pii" => "S1529943014001181"
                          "estado" => "S300"
                          "issn" => "15299430"
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            45 => array:3 [
              "identificador" => "bib0230"
              "etiqueta" => "46&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Hepatitis C and hepatitis B in the etiology of hepatocellular carcinoma in the Japanese population&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Tanaka K"
                            1 => "Hirohata T"
                            2 => "Koga S"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Cancer Res"
                        "fecha" => "1991"
                        "volumen" => "51"
                        "paginaInicial" => "2842"
                        "paginaFinal" => "2847"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/1851661"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            46 => array:3 [
              "identificador" => "bib0235"
              "etiqueta" => "47&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Analysis of factors affecting the appearance of hepatocellular carcinoma in patients with chronic hepatitis C&#46; A long term follow up study after histologic diagnosis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Aizawa Y"
                            1 => "Shibamoto Y"
                            2 => "Takagi I"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Cancer"
                        "fecha" => "2000"
                        "volumen" => "89"
                        "paginaInicial" => "53"
                        "paginaFinal" => "59"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/10897000"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            47 => array:3 [
              "identificador" => "bib0240"
              "etiqueta" => "48&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Antiviral therapy reduces risk of hepatocellular carcinoma in patients with hepatitis C virus-related cirrhosis&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:3 [
                            0 => "Singal AK"
                            1 => "Singh A"
                            2 => "Jaganmoham S"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/j.cgh.2009.10.026"
                      "Revista" => array:6 [
                        "tituloSerie" => "Clin Gastroenterol Hepatol"
                        "fecha" => "2010"
                        "volumen" => "8"
                        "paginaInicial" => "192"
                        "paginaFinal" => "199"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19879972"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            48 => array:3 [
              "identificador" => "bib0245"
              "etiqueta" => "49&#46;"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Meta-analysis&#58; reduced incidence of hepatocellular carcinoma in patients not responding to interferon therapy of chronic hepatitis C&#46;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "Miyake Y"
                            1 => "Iwasaki Y"
                            2 => "Yamamoto K"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:2 [
                        "tituloSerie" => "Int J Cancer"
                        "fecha" => "2010"
                      ]
                    ]
                  ]
                ]
              ]
            ]
          ]
        ]
      ]
    ]
  ]
  "idiomaDefecto" => "en"
  "url" => "/16652681/00000009000000S1/v1_201906221034/S1665268119317363/v1_201906221034/en/main.assets"
  "Apartado" => array:4 [
    "identificador" => "78185"
    "tipo" => "SECCION"
    "en" => array:2 [
      "titulo" => "Module XVIII"
      "idiomaDefecto" => true
    ]
    "idiomaDefecto" => "en"
  ]
  "PDF" => "https://static.elsevier.es/multimedia/16652681/00000009000000S1/v1_201906221034/S1665268119317363/v1_201906221034/en/main.pdf?idApp=UINPBA00004N&text.app=https://www.elsevier.es/"
  "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1665268119317363?idApp=UINPBA00004N"
]
Article information
ISSN: 16652681
Original language: English
The statistics are updated each day
Year/Month Html Pdf Total
2024 November 11 0 11
2024 October 79 6 85
2024 September 129 7 136
2024 August 120 5 125
2024 July 138 6 144
2024 June 129 5 134
2024 May 141 7 148
2024 April 120 7 127
2024 March 111 2 113
2024 February 133 15 148
2024 January 180 9 189
2023 December 89 12 101
2023 November 118 16 134
2023 October 120 9 129
2023 September 76 11 87
2023 August 69 5 74
2023 July 73 7 80
2023 June 64 5 69
2023 May 45 1 46
2023 April 50 6 56
2023 March 50 6 56
2023 February 20 1 21
2023 January 41 5 46
2022 December 14 8 22
2022 November 10 2 12
2022 October 23 8 31
2022 September 7 10 17
2022 August 7 4 11
2022 July 9 8 17
2022 June 9 4 13
2022 May 10 5 15
2022 April 11 5 16
2022 March 14 5 19
2022 February 6 4 10
2022 January 7 4 11
2021 December 5 7 12
2021 November 4 7 11
2021 October 6 9 15
2021 September 5 13 18
2021 August 6 5 11
2021 July 10 11 21
2021 June 9 9 18
2021 May 11 6 17
2021 April 14 4 18
2021 March 3 5 8
2021 February 15 10 25
2021 January 3 6 9
2020 December 3 3 6
2020 November 2 4 6
2020 October 2 2 4
2020 September 6 7 13
2020 August 4 6 10
2020 July 3 0 3
2020 June 3 2 5
2020 May 1 4 5
2020 April 1 2 3
2020 March 3 3 6
2020 February 4 1 5
2020 January 1 2 3
2019 December 9 6 15
2019 November 2 3 5
2019 October 3 1 4
2019 September 3 2 5
2019 August 1 1 2
2019 July 2 7 9
2019 June 1 5 6
Show all

Follow this link to access the full text of the article

es en pt

¿Es usted profesional sanitario apto para prescribir o dispensar medicamentos?

Are you a health professional able to prescribe or dispense drugs?

Você é um profissional de saúde habilitado a prescrever ou dispensar medicamentos