ULCERATIVE LESIONS OF THE MOUTH: AN UPDATE FOR THE GENERAL MEDICAL PRACTITIONER

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"Ivana Barbosa" "apellidos" => "Suffredini" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1807593222028769?idApp=UINPBA00004N" "url" => "/18075932/0000006200000006/v1_202212060917/S1807593222028769/v1_202212060917/en/main.assets" ] "en" => array:18 [ "idiomaDefecto" => true "cabecera" => "REVIEW" "titulo" => "ULCERATIVE LESIONS OF THE MOUTH: AN UPDATE FOR THE GENERAL MEDICAL PRACTITIONER" "tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "769" "paginaFinal" => "780" ] ] "autores" => array:1 [ 0 => array:3 [ "autoresLista" => "Jair Carneiro Leão, Valder Barbosa Gomes, Stephen Porter" "autores" => array:3 [ 0 => array:4 [ "nombre" => "Jair Carneiro" "apellidos" => "Leão" "email" => array:1 [ 0 => "jleao@ufpe.br" ] "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "1" "identificador" => "aff1" ] ] ] 1 => array:3 [ "nombre" => "Valder Barbosa" "apellidos" => "Gomes" "referencia" => 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"identificador" => "aff1" ] 1 => array:3 [ "entidad" => "Oral Medicine unit, Division of Maxillofacial Diagnostics, Surgical and Medical Sciences, Eastman Dental Institute for Oral Health Care Sciences, University of London, UK" "etiqueta" => "2." "identificador" => "aff2" ] ] ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig3" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 747 "Ancho" => 994 "Tamanyo" => 91039 ] ] "descripcion" => array:1 [ "en" => "Recurrent herpes labialis vesicule stage on the upper lip" ] ] ] "textoCompleto" => "INTRODUCTIONOral ulcers are one of the most common complaints of the oral mucosa. The term ulcer is used where there is damage to both the epithelium and lamina propria. Several predisposing factors have been suggested and oral ulcers can be a feature of various systemic disorders including inflammatory bowel disease. Oral ulcers are determined by the underlying systemic condition such as the nature, site, duration and frequency. In addition, histopathological examination usually produces a definitive diagnosis for the majority of conditions described in this paper. The aim of this review is to provide a focus on ulcerative disorders, either of general clinical significance, or relevant to gastroenterology.Oral ulcers of traumatic (physical and chemical) etiologyThe majority of cases of ulcers of the oral mucosa are due to physical trauma. However, chemical trauma must also be considered. Salicylic acid (aspirin) and its derivatives are extensively used for the treatment of systemic and local diseases. However, injudicious use of these compounds may cause systemic and oral complications, such as mucosal burns and oral ulcers.<a class="elsevierStyleCrossRef" href="#bib1">1</a> In addition, ulcers may arise (e.g. on the palate)<a class="elsevierStyleCrossRef" href="#bib2">2</a> with the use of powdered cocaine or through the smoking crack cocaine. The effects of cocaine in the oral cavity vary depending on the form used and the route of administration. Rarely, snorting cocaine may cause necrosis, possibly associated with ischemia, of the floor of the nose; and eventually causing ulcers of the hard palate as well as oronasal fistula formation.<a class="elsevierStyleCrossRef" href="#bib3">3</a>Oral ulcers can be caused by local radiotherapy and some cytotoxic chemotherapy regimes (mucositis) (<a class="elsevierStyleCrossRef" href="#fig1">Fig. 1</a>). The mucosistis manifests as multiple areas of painful mucosal erythema, ulcers and sloughing.<a class="elsevierStyleCrossRef" href="#bib4">4</a> The precise etiology of mucositis remains unclear, although most likely reflects a loss of basal cell proliferation<a class="elsevierStyleCrossRef" href="#bib5">5</a> rather than a reaction to changes in the local oral microflora (e.g. increases in Gram-negative bacteria, particularly Enterobacteriaceae).<a class="elsevierStyleCrossRef" href="#bib6">6</a> This mucositis, akin to that of the bowel, is difficult to manage specifically. Benzydamine hydrochloride mouth rinse or spray may provide symptomatic relief, but effective analgesia often requires opioids. The clinical features of oral mucositis do not significantly improve with topical chlorhexidine gluconate, although this compound is commonly used in clinical practice. Novel regimes for the treatment of mucositis include granulocyte-macrophage colony-stimulating factor (GM-CSF) and protegrins.<a class="elsevierStyleCrossRefs" href="#bib7">7, 8</a><elsevierMultimedia ident="fig1"></elsevierMultimedia>Necrotizing sialometaplasiaNecrotizing sialometaplasia is an uncommon disorder that typically gives rise to large areas of deep ulcers on one side of the hard and/or soft palate.<a class="elsevierStyleCrossRef" href="#bib9">9</a> This condition is considered to be associated with an ischemic event, and is associated with clinical factors such as smoking, alcohol use, denture wearing, recent surgery, systemic disease, and it can also be a feature of bulimia nervosa.<a class="elsevierStyleCrossRef" href="#bib10">10</a> It has been suggested that the local traumas mentioned above cause ischemia with resultant tissue necrosis. The clinical features may mimic those of squamous cell carcinoma (SCC), and histopathologically, the profound epithelial hyperplasia, together with the salivary gland squamous metaplasia seen with necrotizing sialometaplasia, can be confused with neoplasia.Viral diseasesHerpes simplex virus 1The most common viral precipitant of ulcers is herpes simplex virus type 1 (HSV 1). Affected individuals may have widespread, small, superficial ulcers of the oral mucosa (<a class="elsevierStyleCrossRef" href="#fig2">Fig. 2</a>). The gingiva are often swollen and ulcerated, giving rise to features akin to acute necrotizing ulcerative gingivitis (ANUG). While previously regarded as a disease of childhood, primary HSV-1 infection often arises in the second or third decade of life.<a class="elsevierStyleCrossRef" href="#bib11">11</a> Severe and/or recurrent HSV-1 infection, sometimes presenting atypically, may be suggestive of underlying immunodeficiency, in particular lymphoproliferative disease or HIV disease.<a class="elsevierStyleCrossRef" href="#bib12">12</a><elsevierMultimedia ident="fig2"></elsevierMultimedia>About 5% of patients who have a primary HSV-1 infection will develop recurrent episodes of herpes labialis (cold sores), as illustrated in <a class="elsevierStyleCrossRef" href="#fig3">Figure 3</a>. This comprises episodes of paresthesia, erythema, vesiculation, pustulization, and ulcers at the mucocutaneous junctions of the lips and/or nose.<a class="elsevierStyleCrossRefs" href="#bib13">13–15</a> Precipitants of herpes labialis include concurrent illness, UV light exposure, and pregnancy. Effective therapy entails 5% aciclovir<a class="elsevierStyleCrossRef" href="#bib16">16</a> or 1% penciclovir.<a class="elsevierStyleCrossRef" href="#bib17">17</a> Herpes labialis may itself be a precipitant of erythema multiforme.<a class="elsevierStyleCrossRef" href="#bib18">18</a><elsevierMultimedia ident="fig3"></elsevierMultimedia>This therapy typically provides symptomatic relief, although systemic aciclovir and other anti-virals should be considered when disease is severe, recurrent, or atypical.<a class="elsevierStyleCrossRef" href="#bib13">13</a> Aciclovir resistance may arise in immunosuppressed patients receiving repeated treatments, hence the need for famciclovir, valciclovir or foscarnet.<a class="elsevierStyleCrossRef" href="#bib14">14</a> Interestingly, foscarnet may itself give rise to oral ulcers,<a class="elsevierStyleCrossRef" href="#bib15">15</a> and while aciclovir may be effective and useful in the treatment of erythema multiforme, it can also give rise to this mucosal disorder.Herpes simplex virus 2, Epstein-Barr virus and CytomegalovirusAlthough uncommon, HSV-2 can give rise to oral ulcers similar to that of mild primary HSV-1 infection. This oral ulcer arises as a consequence of orogenital transmission of the causative virus.Ulcers caused by Epstein–Barr virus (EBV) are rare, but may be a feature of infectious mononucleosis. The ulcers comprise a few small superficial ulcers of the oral mucosa. EBV is more typically associated with the ulcers of some non-Hodgkin's lymphomas<a class="elsevierStyleCrossRef" href="#bib19">19</a> or white patches termed oral hairy leukoplakia (OHL) that may arise in cases of immunodeficiency (e.g. HIV, or with corticosteroid or other systemic immunosuppressant therapy, etc.). It is also important to remember that OHL has been observed in patients with inflammatory bowel disease receiving immunosuppressive regimes.<a class="elsevierStyleCrossRef" href="#bib20">20</a>Cytomegalovirus (CMV) may give rise to large, chronic ulcers of the oral mucosa or gingiva.<a class="elsevierStyleCrossRef" href="#bib21">21</a> These CMV-related ulcers occur exclusively under conditions of significant immunodeficiency, notably severe HIV disease. The diagnosis of such ulcers is difficult and is often only confirmed by resolution of ulcers with ganciclovir therapy.<a class="elsevierStyleCrossRef" href="#bib22">22</a>Human herpesvirus 8 (Kaposi's sarcoma herpes virus)Human herpesvirus 8 (HHV-8) is an oncogenic virus, which causes Kaposi's sarcoma (KS). It is theorized that this virus, when infecting circulating KS cell-progenitors, predisposes a patient to KS development in the setting of exposure to Th1 inflammatory cytokines. Lytic replication caused by the virus can further promote tissue inflammation, thereby providing a proangiogenic stimulus that, among other things, increases generation of matrix metalloproteinases. In this multifactorial model of infection, hypoxia and injury can lead to the clinical expression of KS. Commonly arising within the mouth of patients with severe HIV disease or as a feature of profound iatrogenic immunosuppression (e.g. in patients with inflammatory bowel disease). Oral KS typically affects the palate or gingiva and manifests as red, blue or purple macules, papules, nodules or ulcers (<a class="elsevierStyleCrossRef" href="#fig4">Fig. 4</a>).<a class="elsevierStyleCrossRef" href="#bib23">23</a> Oral KS may also occasionally be non-pigmented, and hence may mimic SCC.<a class="elsevierStyleCrossRef" href="#bib24">24</a><elsevierMultimedia ident="fig4"></elsevierMultimedia>Kaposi's sarcoma of the anterior gingiva may be unsightly, and in rare instances, gingival lesions will cause the destruction of underlying periodontal tissues, leading to tooth loss and sequestration of bone.Oral KS in HIV may be reduced or resolved with highly active antiretroviral therapy (HAART); although some oral lesions have been reported to resolve (probably transiently) with local radiotherapy, local injection of cytotoxics, or sclerosants.<a class="elsevierStyleCrossRefs" href="#bib25">25–27</a>Human immunodeficiency virusThe oral consequences of HIV have been reviewed in detail elsewhere.<a class="elsevierStyleCrossRefs" href="#bib28">28,29</a> Infection with HIV gives rise to a wide spectrum of oral ulcerative lesions. The majority of these are detailed in other sections of the review. A minority of patients with severe HIV disease can develop deep, necrotic ulcers of unknown etiology. These ulcers are painful, can cause profound dysphagia and/or dysarthria, and can arise on any oral mucosal surface, although the buccal and pharyngeal mucosae are the more commonly affected sites. The precise etiology of these HIV-related ulcers is unknown.<a class="elsevierStyleCrossRef" href="#bib30">30</a> HHV-8 DNA has been detected within such ulcers, although it is unclear whether the virus is causative or merely a passenger.<a class="elsevierStyleCrossRef" href="#bib31">31</a> Of note, such ulcers typically resolve with systemic thalidomide (e.g. 200 mg daily), perhaps reflecting an antitumor necrosis factor (TNF)-á effect, which supports a viral etiology.<a class="elsevierStyleCrossRef" href="#bib32">32</a> Small numbers of patients with HIV disease may have ulcers similar to those of recurrent aphthous stomatitis (RAS) (<a class="elsevierStyleCrossRef" href="#fig5">Fig. 5</a>); to date, the cause of RAS has not been established. This limitation continues to compromise the clinician's ability to provide effective therapy. Whether the frequency of RAS is truly increased in HIV also remains unclear.<a class="elsevierStyleCrossRef" href="#bib33">33</a><elsevierMultimedia ident="fig5"></elsevierMultimedia>Bacterial infectionAcute necrotizing ulcerative gingivitisAcute necrotizing ulcerative gingivitis (Vincent's disease, trench mouth, acute ulcerative gingivitis) is a non-specific ulcerative disorder that is almost always localized to the gingivae (<a class="elsevierStyleCrossRef" href="#fig6">Fig. 6</a>).<a class="elsevierStyleCrossRef" href="#bib34">34</a> Associated contributing factors include poorly controlled diabetes mellitus, tobacco smoking, immunodeficiency (notably severe HIV disease), and possibly psychological stress. This condition is also associated with poor oral hygiene. Measles and malnutrition have also been implicated as predisposing factors to Acute Necrotizing Ulcerative Gingivitis (ANUG), common oral diseases prevalent among children ages 3-6 years living in rural communities.<elsevierMultimedia ident="fig6"></elsevierMultimedia>Vincent's disease manifests as painful ulcers of the gingival margins, particularly the interdental areas. The ulcers may be localized or generalized and, when severe, they will give rise to cervical lymphadenopathy and, very rarely, to pyrexia and malaise. There is often oral malodor associated with Vincent's disease. Long-standing or recurrent disease may lead to destruction and loss of interdental papillae.An ANUG-like disease termed cancrum oris (noma) (<a class="elsevierStyleCrossRefs" href="#fig7">Figs. 7 and 8</a>) can arise in profoundly malnourished children and adults. Unlike the ANUG in immunocompetent individuals, the ulcers of cancrum oris spread to the adjacent soft tissues, leading to necrosis of the lips and/or cheeks. Cancrum oris has most commonly been reported in children in Central Africa, where malnourishment arises from poverty that results from political and economical unrest.<a class="elsevierStyleCrossRef" href="#bib35">35</a><elsevierMultimedia ident="fig7"></elsevierMultimedia><elsevierMultimedia ident="fig8"></elsevierMultimedia>An ANUG-like disorder that spreads to the underlying bone and adjacent soft tissues – termed necrotizing stomatitis – has been reported in a small number of patients with severe HIV disease. Occasionally, this disorder may be the first, and/or only clinical manifestation of HIV disease.<a class="elsevierStyleCrossRef" href="#bib36">36</a>Ulcers of ANUG typically resolve with the removal of deposits of plaque and calculus and the topical application of chlorhexidine gluconate mouth rinse (0.2%) or gel (1%). Systemic antimicrobials (e.g. metronidazole or phenoxymethyl penicillin) may be required when the gingivitis is profound and/or there is systemic upset. Cancrum oris also requires tissue debridement and correction of the underlying malnourishment; however, prognosis for the affected children is often poor.<a class="elsevierStyleCrossRef" href="#bib37">37</a> Post-healing fibrosis and scarring represent a significant complication of cancrum oris.Treponema pallidumThe frequency of oral ulcers due to infective syphilis is likely to increase as a consequence of the rising number of subjects affected with Treponema pallidum; this may reflect changes in sexual attitudes and behavior, changing trends in HIV disease, and increased foreign travel.<a class="elsevierStyleCrossRef" href="#bib38">38</a> Oral ulcers can arise in primary, secondary or tertiary disease. In primary disease, a chancre can develop on the oral mucosa as a consequence of direct contact with an infective lesion. Ulcers of a primary infection typically arise on the upper (in females) or lower lip (in males) and manifest as a superficial to deep isolated ulcer that sometimes has a rolled edge. Occasionally, there can be isolated ulcers of the gingiva.<a class="elsevierStyleCrossRef" href="#bib39">39</a> The oral chancre typically resolves with antimicrobial therapy.<a class="elsevierStyleCrossRef" href="#bib40">40</a> Secondary syphilis can give rise to multiple areas of superficial papules and ulcers, some of the latter being serpiginous, and are thus termed snail-track ulcers. Tertiary disease may produce ulcers as a consequence of gumma formation, with the ulcers manifesting as isolated areas of chronic ulceration, sometimes with the destruction of the underlying soft and/or hard tissues (e.g. palate or tongue).Mycobacterial infectionPrimary oral infection of Mycobacterium tuberculosis is rare;<a class="elsevierStyleCrossRef" href="#bib41">41</a> more commonly, tuberculosis infection of the oral mucosa arises secondary to pulmonary disease. Tuberculosis typically presents as solitary, necrotic ulcers of the tongue. Infection by atypical mycobacteria (e.g. Mycobacterium avium complex) is rare, but may affect the oral mucosa or gingiva, usually in HIV-infected individuals.<a class="elsevierStyleCrossRef" href="#bib42">42</a>Yeast and Fungal infectionsWhile Candida species, usually Candida albicans, are the most common fungal infection of the mouth, these rarely give rise to oral ulcers. Chronic mucocutaneous candidiasis (CMC) is one of the most common T-cell diseases, but the exact underlying defect is unknown. The disease usually starts in early childhood, but it may also start as late as early adolescence. Affected children have persistent oral thrush, napkin dermatitis, skin infections, dystrophic nails, alopecia, and thrush on the genital skin and oral mucous membranes. Candida granulomas rarely occur. Although fungal infection is the most important feature of this disease, in rare cases, recurrent bacterial infections and viral infections such as herpes simplex, herpes zoster and hepatitis can occur. This condition may occasionally give rise to ulcers of the dorsum of tongue.<a class="elsevierStyleCrossRef" href="#bib43">43</a>Systemic mycoses can cause oral ulcers, typically in immunosuppressed hosts. In HIV disease, Aspergillus fumigatum may give rise to long-standing ulcers of the gingiva<a class="elsevierStyleCrossRef" href="#bib44">44</a> or oral mucosa as may Histoplasma capsulatum.<a class="elsevierStyleCrossRef" href="#bib45">45</a> South America paracoccidiodomycosis (South American Blastomycosis) may give rise to large areas of ulcers reminiscent of oral SCC, with this infection arising in both immunocompetent and immunosuppressed individuals.<a class="elsevierStyleCrossRefs" href="#bib46">46,47</a>Idiopathic ulcersRecurrent aphthous stomatitisThe most common non-infectious and non-traumatic oral mucosal ulcerative disorder is recurrent aphthous stomatitis (RAS) (<a class="elsevierStyleCrossRef" href="#fig9">Fig. 9</a>). The disease affects non-keratinized oral mucosa, especially the vestibulum, soft palate, tongue and sublingual area. It is clinically characterized by recurrent episodes of oral ulceration in an otherwise healthy individual. The ulcers arise every 4–12 weeks and may be classified as minor, major, or herpetiform. The ulcers are superficial, rounded and have a yellow-colored slough with surrounding erythema. The ulcers of major RAS may cause scarring upon healing, and it has been suggested that ulcers of herpetiform RAS may coalesce to produce large areas of ulcers that heal with scarring. Rarely, major aphthous stomatitis causes tissue destruction (e.g. of the soft palate).<elsevierMultimedia ident="fig9"></elsevierMultimedia>Undoubtedly, RAS has an immunologically mediated pathogenesis; however, the precise cause of RAS remains unclear. Reduced percentages of CD4 and CD8 cells in peripheral blood have been documented, but the results are still controversial.<a class="elsevierStyleCrossRef" href="#bib48">48</a> Suggested etiologies include idiopathic hematoma deficiency, cessation of tobacco smoking, and psychological stress, but there is little scientific evidence to support of any of these. While superficial ulcers similar to RAS may arise in gluten-sensitive enteropathy,<a class="elsevierStyleCrossRef" href="#bib49">49</a> the vast majority of patients with RAS have no clinical, gastroenterological, or serological features of this small bowel disorder. To date, no common viral or bacterial infection of the mouth has been implicated in the etiology of RAS.<a class="elsevierStyleCrossRef" href="#bib48">48</a> There is also no consistent association between Helicobacter pylori infection and RAS.<a class="elsevierStyleCrossRef" href="#bib50">50</a>Therapy for RAS is directed towards reducing the duration and/or frequency of episodes of ulceration.<a class="elsevierStyleCrossRef" href="#bib51">51</a> Topical corticosteroids are used in the most cases; however, few of these have been found to be significantly effective in appropriate clinical studies. Chlorhexidine gluconate mouth rinse may be of some benefit (and has been evaluated in detail),<a class="elsevierStyleCrossRef" href="#bib52">52</a> but it has only limited clinical value in the management of RAS. Benzydamine hydrochloride spray or mouth rinse provides some symptomatic relief, but does not hasten ulcer healing. Although effective, systemic therapy with prednisone is rarely warranted, and the mechanism of this effect is unclear.<a class="elsevierStyleCrossRefs" href="#bib53">53–55</a> Thalidomide is highly effective, but in view of the adverse side effects including teratogenicity and neurotoxicity, its routine application for such a recurrent and minor disorder is contraindicated.<a class="elsevierStyleCrossRef" href="#bib56">56</a>Ulcers similar to RAS are one of the cardinal features of Behcet's disease. The ulcers have only rarely been described in detail, but seem to have the same clinical features as RAS. A detailed discussion of Behcet's disease can be found elsewhere.<a class="elsevierStyleCrossRef" href="#bib57">57</a> Other disorders that can give rise to RAS-like ulcers include a variant of Behcet's disease termed MAGIC syndrome, Sweet's syndrome, and HIV disease.<a class="elsevierStyleCrossRef" href="#bib58">58</a> A rare disorder in childhood that is characterized by pyrexia, pharyngitis, cervical lymphadenopathy and aphthous-like ulcers, sometimes termed PFAPA (periodic fever, aphthae, pharyngitis and adenitis), has also been described.<a class="elsevierStyleCrossRef" href="#bib59">59</a>Oral ulcers related to systemic diseaseGastrointestinal diseaseGluten-sensitive enteropathySuperficial oral mucosal ulcers similar to RAS may be a feature of 1–5% patients with undiagnosed, untreated gluten-sensitive enteropathy.<a class="elsevierStyleCrossRef" href="#bib60">60</a> The ulceration is presumably due to the associated hematinic deficiencies.Dermatitis herpetiformis and related disordersOral lesions in dermatitis herpetiformis have been described only rarely. These may comprise oral mucosal vesicles, blood-filled blisters, irregular ulcers and desquamative gingitivitis. Linear IgA disease may likewise give rise to blood-filled vesicles or bullae, irregular ulcers and desquamative gingivitis. A long-term gluten-free diet (GFD) has been used successfully as a first-choice treatment for dermatitis herpetiformis (DH).<a class="elsevierStyleCrossRef" href="#bib61">61</a>Crohn's disease and related disordersOral ulcers arise in approximately 9% of patients with undiagnosed Crohn's disease and can be the first and/or only clinical features of this disorder. Crohn's disease is a systemic chronic inflammatory disorder that may involve any part of the gastrointestinal tract, including the oral cavity. The prevalence rates of oral manifestations vary between 5 and 20 per cent; however, in pediatric patients, the prevalence is much higher (48% to 80%).<a class="elsevierStyleCrossRef" href="#bib62">62</a> Two types of oral ulcers can arise in orofacial granulomatosis (OFG) and Crohn's disease – chronic deep linear ulcers, usually of the buccal vestibules, which often have a rolled edge because of mucosal tags; and superficial oral mucosal ulcers (<a class="elsevierStyleCrossRef" href="#fig10">Fig. 10</a>) presumably resulting from hematinic deficiency. The diagnosis of such ulcers requires establishing the presence of non-caseating granulomas and the exclusion of other granulomatous diseases, such as sarcoidosis.<elsevierMultimedia ident="fig10"></elsevierMultimedia>The precise relationship between OFG and gastrointestinal Crohn's disease remains unclear since there are few studies examining the gastrointestinal tract of children and adults with OFG. Certainly, there are reports of OFG as an initial presentation of Crohn's disease.<a class="elsevierStyleCrossRefs" href="#bib63">63,64</a> Similarly, OFG-like disease may be a feature of patients with concurrent gastrointestinal Crohn's disease.<a class="elsevierStyleCrossRefs" href="#bib65">65,66</a> The human leukocyte antigen (HLA) haplotype of patients with OFG differs from that of Crohn's disease.<a class="elsevierStyleCrossRef" href="#bib67">67</a> The precise association between OFG and gastrointestinal Crohn's disease remains unknown.Ulcerative colitisUlcerative colitis can give rise to either aphthous ulcers or to multiple pustules called pyostomatitis vegetans. The ulcers of the latter arise on the upper and lower anterior vestibules, the soft palate, and the posterior hard palate. Pyostomatitis vegetans tends to arise in patients with undiagnosed or active ulcerative colitis. Although most frequently associated with ulcerative colitis, pyostomatitis vegetans may occasionally arise in Crohn's disease.<a class="elsevierStyleCrossRef" href="#bib68">68</a> Pyoderma gangrenosum, manifesting as a solitary, necrotic mucosal ulcer has also been reported in the mouth in rare cases.<a class="elsevierStyleCrossRef" href="#bib69">69</a>OthersAs discussed above, necrotizing sialometaplasia may arise secondary to palatal trauma in bulimia nervosa. Gastro-esophageal reflux does not cause oral ulceration, although it has been associated with erosion of the palatal aspects of the upper teeth.<a class="elsevierStyleCrossRef" href="#bib70">70</a>Lichen planusLichen planus is by far the most common dermatological disorder that gives rise to oral ulcers. Lichen planus is an immunologically mediated disorder that is histopathologically characterized by an intense dermal infiltrate of T-lymphocytes. The precise trigger for this immunological reaction is unclear. There is no evidence that the clinical features of idiopathic oral lichen planus are any different from those of the drug-associated diseases (<a class="elsevierStyleCrossRefs" href="#fig11">Figs. 11 and 12</a>).<a class="elsevierStyleCrossRef" href="#bib71">71</a><elsevierMultimedia ident="fig11"></elsevierMultimedia><elsevierMultimedia ident="fig12"></elsevierMultimedia>Similarly, although histopathological differences between idiopathic lichen planus and drug-related diseases have been described, there is profound inconsistency among the proposed pathological hallmarks of these two disorders.<a class="elsevierStyleCrossRef" href="#bib72">72</a> Drugs that may commonly give rise to lichen planus-like disease include sulphonyureas, non-steroidal anti-inflammatory drugs, β-blockers, antimalarials, penicillamine and gold. Associations between hepatitis C virus and oral lichen planus probably reflect the epidemiology of hepatitis C virus infection and/or use of interferon-α.<a class="elsevierStyleCrossRef" href="#bib73">73</a> A lichen planus-like disorder can also arise in chronic graft-versus-host disease.Lichen planus only warrants treatment in patients who are having painful symptoms and/or signs of erosion, ulcers, or blister formation. Typical treatment involves topical corticosteroids,<a class="elsevierStyleCrossRef" href="#bib74">74</a> although severe cases may warrant local (e.g. topical tacrolimus) and systemic immunosuppressant therapy<a class="elsevierStyleCrossRefs" href="#bib75">75, 76</a>, the latter of which does not have a strong evidence base.Of note, it has been suggested that oral lichen planus may be potentially malignant. The evidence for this is generally based upon retrospective studies of large numbers of affected patients. It is suggested that approximately 1–3% of patients with long-standing lichen planus may develop oral SCC.<a class="elsevierStyleCrossRef" href="#bib77">77</a> Often, however, the descriptions have not detailed whether the tumor arose within existing lichen planus, and no detailed prospective control studies of the development of oral SCC in long-standing lichen planus have ever been undertaken.MalignancyThe common malignancies of the mouth may manifest as oral ulcers. SCC is the most common tumor of the mouth, typically manifesting as a solitary ulcer of the dorsum of tongue or floor of mouth (<a class="elsevierStyleCrossRef" href="#fig13">Fig. 13</a>). The ulceration is locally destructive and, when affecting the tongue, may give rise to lingual and/or hypoglossal nerve damage with or without dysarthria or dysphagia. Gingival SCC may give rise to tooth mobility and, very rarely, to a pathological fracture of the mandible.<elsevierMultimedia ident="fig13"></elsevierMultimedia>Oral SCC remains one of the more common cancers worldwide, particularly in developing countries such as India.<a class="elsevierStyleCrossRefs" href="#bib78">78–80</a> There is a rising frequency of oral SCC in the middle-aged adult population in the developed world. High tobacco (in any form) and alcohol consumption are the principal etiological factors of oral SCC. Other suggestive etiologies include human papilloma virus, malnourishment (in particular deficiencies of vitamins A and C), and possibly poor oral hygiene.Non-Hodgkin's lymphomaNon-Hodgkin's lymphoma may manifest as a solitary area of necrotic ulcers typically affecting the gingiva, palate and fauces. This tumor may arise de novo, but is often associated with iatrogenic immunosuppression in HIV disease. A detailed review of non-Hodgkin's lymphoma of the mouth can be found elsewhere.<a class="elsevierStyleCrossRef" href="#bib81">81</a> NK/T-cell lymphoma tends to affect the upper anterior gingival and palate; this is a T-cell lymphoma, which is in contrast to most non-Hodgkin's lymphoma of the mouth.<a class="elsevierStyleCrossRefs" href="#bib82">82,83</a>Drug therapyA wide range of drugs can give rise to ulcers of the oral mucosa.<a class="elsevierStyleCrossRef" href="#bib84">84</a> The mechanisms by which drugs cause oral ulcers include drug-induced neutropenia and anemia (e.g. cytotoxics), lichenoid disease (e.g. sulphanylureas, â-blockers, gold, penicillamine), pemphigus (e.g. angiotensin-converting enzyme inhibitors), lupus, and IgA dermatoses.LeishmaniasisCutaneous leishmaniasis, endemic in some parts of the Americas, is caused by Leishmania viannia and Leishmania mexicana species complexes. Infection with L. viannia species, particularly Leishmania viannia braziliensis, results in skin lesions that tend to be persistent and may be further complicated by mucocutaneous involvement. Mucosal leishmaniasis probably results from early hematogenous or lymphatic spread from cutaneous lesions. It causes destruction of the facial structure, which may lead to aspiration, infection, and even death. Mucosal leishmaniasis may appear at any time, from the first months after infection to decades afterward. Risk factors include large or multiple cutaneous lesions, male gender, and long-standing skin lesions for which adequate systemic treatment has not been administered.<a class="elsevierStyleCrossRef" href="#bib85">85</a>" "textoCompletoSecciones" => array:1 [ "secciones" => array:6 [ 0 => array:2 [ "identificador" => "xpalclavsec1585235" "titulo" => "KEYWORDS" ] 1 => array:3 [ "identificador" => "xres1815580" "titulo" => "RESUMO" "secciones" => array:1 [ 0 => array:1 [ "identificador" => "ceabs20" ] ] ] 2 => array:2 [ "identificador" => "xpalclavsec1585234" "titulo" => "UNITERMOS" ] 3 => array:2 [ "identificador" => "cesec10" "titulo" => "INTRODUCTION" ] 4 => array:3 [ "identificador" => "cesec20" "titulo" => "Oral ulcers of traumatic (physical and chemical) etiology" "secciones" => array:7 [ 0 => array:2 [ "identificador" => "cesec30" "titulo" => "Necrotizing sialometaplasia" ] 1 => array:3 [ "identificador" => "cesec40" "titulo" => "Viral diseases" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "cesec50" "titulo" => "Herpes simplex virus 1" ] 1 => array:2 [ "identificador" => "cesec60" "titulo" => "Herpes simplex virus 2, Epstein-Barr virus and Cytomegalovirus" ] 2 => array:2 [ "identificador" => "cesec70" "titulo" => "Human herpesvirus 8 (Kaposi's sarcoma herpes virus)" ] 3 => array:2 [ "identificador" => "cesec80" "titulo" => "Human immunodeficiency virus" ] ] ] 2 => array:3 [ "identificador" => "cesec90" "titulo" => "Bacterial infection" "secciones" => array:2 [ 0 => array:2 [ "identificador" => "cesec100" "titulo" => "Acute necrotizing ulcerative gingivitis" ] 1 => array:2 [ "identificador" => "cesec110" "titulo" => "Treponema pallidum" ] ] ] 3 => array:2 [ "identificador" => "cesec120" "titulo" => "Mycobacterial infection" ] 4 => array:2 [ "identificador" => "cesec130" "titulo" => "Yeast and Fungal infections" ] 5 => array:3 [ "identificador" => "cesec140" "titulo" => "Idiopathic ulcers" "secciones" => array:1 [ 0 => array:2 [ "identificador" => "cesec150" "titulo" => "Recurrent aphthous stomatitis" ] ] ] 6 => array:3 [ "identificador" => "cesec160" "titulo" => "Oral ulcers related to systemic disease" "secciones" => array:1 [ 0 => array:2 [ "identificador" => "cesec170" "titulo" => "Gastrointestinal disease" ] ] ] ] ] 5 => array:1 [ "titulo" => "REFERENCES" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2007-06-12" "fechaAceptado" => "2007-08-27" "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "KEYWORDS" "identificador" => "xpalclavsec1585235" "palabras" => array:5 [ 0 => "Oral Ulceration" 1 => "Oral Medicine" 2 => "Oral Lesions" 3 => "Recurrent Aphthous Stomatitis" 4 => "Recurrent Oral Ulceration" ] ] ] "pt" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "UNITERMOS" "identificador" => "xpalclavsec1585234" "palabras" => array:5 [ 0 => "Ulceração Oral" 1 => "Medicina Oral" 2 => "Lesões Orais" 3 => "Estomatite Aftosa Recorrente" 4 => "Ulceração Oral Recorrente" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:1 [ "resumen" => "Oral ulceration is a common complaint of patients attending out-patient clinics. Because of the diversity in causes of oral ulceration, patients presenting with oral mucosal disease can be challenging to diagnose and manage. Patients with signs or symptoms of oral ulcers are sometimes referred to gastroenterology clinics; however, in most instances the ulcers do not result from gastrointestinal disease. The aim of the present article is to review aspects of the etiology, diagnosis and management of common ulcerative disorders of the oral mucosa. A search in the National Library of Medicine computerized bibliographic database MEDLINE was performed. Selection of publications, extraction of data, and validity assessment were then performed by the authors. Based upon the searched literature, it is concluded that there are several systemic disorders that can present with similar clinical signs and symptoms, and knowledge of each disease is necessary for the clinician to provide proper management." ] "pt" => array:2 [ "titulo" => "RESUMO" "resumen" => "A ulceração oral é uma queixa comum dos pacientes que são atendidos em ambulatórios. Com freqüência é difícil estabelecer um diagnóstico preciso e atingir o controle dos sinais e sintomas dos pacientes que apresentam ulceração oral. Os pacientes acometidos por ulceração oral são eventualmente encaminhados para os ambulatórios de gastroenterologia, entretanto, a maioria das úlceras não reflete doença gastrointestinal, e sim desordens sistêmicas que podem se apresentar com sinais e sintomas clínicos similares. O objetivo do presente artigo foi revisar aspectos da etiologia, diagnóstico e tratamento das desordens ulcerativas mais comuns da mucosa oral. Foi realizada uma busca no banco de dados MEDLINE da National Library of Medicine. A seleção dos artigos, coleta de dados e julgamento em termos da pertinência de inclusão foram realizadas pelos autores. Baseado na literatura pesquisada, foi concluído que existem várias doenças sistêmicas que podem apresentar sinais e sintomas clínicos semelhantes e o conhecimento de cada doença poderá guiar o clínico para uma intervenção apropriada." ] ] "multimedia" => array:13 [ 0 => array:7 [ "identificador" => "fig1" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 745 "Ancho" => 993 "Tamanyo" => 109505 ] ] "descripcion" => array:1 [ "en" => "Chemotherapy induced oral mucositis" ] ] 1 => array:7 [ "identificador" => "fig2" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 749 "Ancho" => 994 "Tamanyo" => 96150 ] ] "descripcion" => array:1 [ "en" => "Primary infection of HSV-1 affecting the gingival, tongue and skin" ] ] 2 => array:7 [ "identificador" => "fig3" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 747 "Ancho" => 994 "Tamanyo" => 91039 ] ] "descripcion" => array:1 [ "en" => "Recurrent herpes labialis vesicule stage on the upper lip" ] ] 3 => array:7 [ "identificador" => "fig4" "etiqueta" => "Figure 4" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr4.jpeg" "Alto" => 745 "Ancho" => 993 "Tamanyo" => 96658 ] ] "descripcion" => array:1 [ "en" => "HIV associated Kaposi's sarcoma" ] ] 4 => array:7 [ "identificador" => "fig5" "etiqueta" => "Figure 5" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr5.jpeg" "Alto" => 675 "Ancho" => 993 "Tamanyo" => 94567 ] ] "descripcion" => array:1 [ "en" => "Oral ulceration in HIV infected patient" ] ] 5 => array:7 [ "identificador" => "fig6" "etiqueta" => "Figure 6" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr6.jpeg" "Alto" => 994 "Ancho" => 947 "Tamanyo" => 94637 ] ] "descripcion" => array:1 [ "en" => "Acute necrotizing ulcerative gingivitis also affecting the hard palate" ] ] 6 => array:7 [ "identificador" => "fig7" "etiqueta" => "Figure 7" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr7.jpeg" "Alto" => 661 "Ancho" => 994 "Tamanyo" => 82718 ] ] "descripcion" => array:1 [ "en" => "Oral ulceration, bone exposure and tooth mobility/loss in cancrum oris" ] ] 7 => array:7 [ "identificador" => "fig8" "etiqueta" => "Figure 8" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr8.jpeg" "Alto" => 675 "Ancho" => 994 "Tamanyo" => 114928 ] ] "descripcion" => array:1 [ "en" => "Cutaneous necrosis secondary to cancrum oris" ] ] 8 => array:7 [ "identificador" => "fig9" "etiqueta" => "Figure 9" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr9.jpeg" "Alto" => 665 "Ancho" => 993 "Tamanyo" => 83579 ] ] "descripcion" => array:1 [ "en" => "Recurrent aphthous stomatitis affecting non-keratinised oral mucosa" ] ] 9 => array:7 [ "identificador" => "fig10" "etiqueta" => "Figure 10" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr10.jpeg" "Alto" => 723 "Ancho" => 994 "Tamanyo" => 77705 ] ] "descripcion" => array:1 [ "en" => "Superficial and irregular oral ulceration of tongue in OFG" ] ] 10 => array:7 [ "identificador" => "fig11" "etiqueta" => "Figure 11" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr11.jpeg" "Alto" => 922 "Ancho" => 657 "Tamanyo" => 93051 ] ] "descripcion" => array:1 [ "en" => "Erosive non-striated oral lichen planus affecting the dorsum of the tongue" ] ] 11 => array:7 [ "identificador" => "fig12" "etiqueta" => "Figure 12" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr12.jpeg" "Alto" => 719 "Ancho" => 993 "Tamanyo" => 76625 ] ] "descripcion" => array:1 [ "en" => "Lateral view of erosive non-striated oral lichen planus affecting the dorsum of the tongue" ] ] 12 => array:7 [ "identificador" => "fig13" "etiqueta" => "Figure 13" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr13.jpeg" "Alto" => 745 "Ancho" => 993 "Tamanyo" => 97262 ] ] "descripcion" => array:1 [ "en" => "Oral squamous cell carcinoma on the dorsum of the tongue and floor of the mouth." ] ] ] "bibliografia" => array:2 [ "titulo" => "REFERENCES" 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Jair Carneiro Leão1, Valder Barbosa Gomes1, Stephen Porter2

1. Departamento de Clínica e Odontologia Preventiva, Universidade Federal de Pernambuco, Recife, PE, Brazil

2. Oral Medicine unit, Division of Maxillofacial Diagnostics, Surgical and Medical Sciences, Eastman Dental Institute for Oral Health Care Sciences, University of London, UK

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        "descripcion" => array:1 [
          "en" => "<p id="spara30" class="elsevierStyleSimplePara elsevierViewall">Recurrent herpes labialis vesicule stage on the upper lip</p>"
        ]
      ]
    ]
    "textoCompleto" => "<span class="elsevierStyleSections"><span id="cesec10" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle40">INTRODUCTION</span><p id="para10" class="elsevierStylePara elsevierViewall">Oral ulcers are one of the most common complaints of the oral mucosa&#46; The term ulcer is used where there is damage to both the epithelium and lamina propria&#46; Several predisposing factors have been suggested and oral ulcers can be a feature of various systemic disorders including inflammatory bowel disease&#46; Oral ulcers are determined by the underlying systemic condition such as the nature&#44; site&#44; duration and frequency&#46; In addition&#44; histopathological examination usually produces a definitive diagnosis for the majority of conditions described in this paper&#46; The aim of this review is to provide a focus on ulcerative disorders&#44; either of general clinical significance&#44; or relevant to gastroenterology&#46;</p></span><span id="cesec20" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle50">Oral ulcers of traumatic &#40;physical and chemical&#41; etiology</span><p id="para20" class="elsevierStylePara elsevierViewall">The majority of cases of ulcers of the oral mucosa are due to physical trauma&#46; However&#44; chemical trauma must also be considered&#46; Salicylic acid &#40;aspirin&#41; and its derivatives are extensively used for the treatment of systemic and local diseases&#46; However&#44; injudicious use of these compounds may cause systemic and oral complications&#44; such as mucosal burns and oral ulcers&#46;<a class="elsevierStyleCrossRef" href="#bib1"><span class="elsevierStyleSup">1</span></a> In addition&#44; ulcers may arise &#40;e&#46;g&#46; on the palate&#41;<a class="elsevierStyleCrossRef" href="#bib2"><span class="elsevierStyleSup">2</span></a> with the use of powdered cocaine or through the smoking crack cocaine&#46; The effects of cocaine in the oral cavity vary depending on the form used and the route of administration&#46; Rarely&#44; snorting cocaine may cause necrosis&#44; possibly associated with ischemia&#44; of the floor of the nose&#59; and eventually causing ulcers of the hard palate as well as oronasal fistula formation&#46;<a class="elsevierStyleCrossRef" href="#bib3"><span class="elsevierStyleSup">3</span></a></p><p id="para30" class="elsevierStylePara elsevierViewall">Oral ulcers can be caused by local radiotherapy and some cytotoxic chemotherapy regimes &#40;mucositis&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig1">Fig&#46; 1</a>&#41;&#46; The mucosistis manifests as multiple areas of painful mucosal erythema&#44; ulcers and sloughing&#46;<a class="elsevierStyleCrossRef" href="#bib4"><span class="elsevierStyleSup">4</span></a> The precise etiology of mucositis remains unclear&#44; although most likely reflects a loss of basal cell proliferation<a class="elsevierStyleCrossRef" href="#bib5"><span class="elsevierStyleSup">5</span></a> rather than a reaction to changes in the local oral microflora &#40;e&#46;g&#46; increases in Gram-negative bacteria&#44; particularly Enterobacteriaceae&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib6"><span class="elsevierStyleSup">6</span></a> This mucositis&#44; akin to that of the bowel&#44; is difficult to manage specifically&#46; Benzydamine hydrochloride mouth rinse or spray may provide symptomatic relief&#44; but effective analgesia often requires opioids&#46; The clinical features of oral mucositis do not significantly improve with topical chlorhexidine gluconate&#44; although this compound is commonly used in clinical practice&#46; Novel regimes for the treatment of mucositis include granulocyte-macrophage colony-stimulating factor &#40;GM-CSF&#41; and protegrins&#46;<a class="elsevierStyleCrossRefs" href="#bib7"><span class="elsevierStyleSup">7&#44; 8</span></a></p><elsevierMultimedia ident="fig1"></elsevierMultimedia><span id="cesec30" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle60">Necrotizing sialometaplasia</span><p id="para40" class="elsevierStylePara elsevierViewall">Necrotizing sialometaplasia is an uncommon disorder that typically gives rise to large areas of deep ulcers on one side of the hard and&#47;or soft palate&#46;<a class="elsevierStyleCrossRef" href="#bib9"><span class="elsevierStyleSup">9</span></a> This condition is considered to be associated with an ischemic event&#44; and is associated with clinical factors such as smoking&#44; alcohol use&#44; denture wearing&#44; recent surgery&#44; systemic disease&#44; and it can also be a feature of bulimia nervosa&#46;<a class="elsevierStyleCrossRef" href="#bib10"><span class="elsevierStyleSup">10</span></a> It has been suggested that the local traumas mentioned above cause ischemia with resultant tissue necrosis&#46; The clinical features may mimic those of squamous cell carcinoma &#40;SCC&#41;&#44; and histopathologically&#44; the profound epithelial hyperplasia&#44; together with the salivary gland squamous metaplasia seen with necrotizing sialometaplasia&#44; can be confused with neoplasia&#46;</p></span><span id="cesec40" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle70">Viral diseases</span><span id="cesec50" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle80">Herpes simplex virus 1</span><p id="para50" class="elsevierStylePara elsevierViewall">The most common viral precipitant of ulcers is herpes simplex virus type 1 &#40;HSV 1&#41;&#46; Affected individuals may have widespread&#44; small&#44; superficial ulcers of the oral mucosa &#40;<a class="elsevierStyleCrossRef" href="#fig2">Fig&#46; 2</a>&#41;&#46; The gingiva are often swollen and ulcerated&#44; giving rise to features akin to acute necrotizing ulcerative gingivitis &#40;ANUG&#41;&#46; While previously regarded as a disease of childhood&#44; primary HSV-1 infection often arises in the second or third decade of life&#46;<a class="elsevierStyleCrossRef" href="#bib11"><span class="elsevierStyleSup">11</span></a> Severe and&#47;or recurrent HSV-1 infection&#44; sometimes presenting atypically&#44; may be suggestive of underlying immunodeficiency&#44; in particular lymphoproliferative disease or HIV disease&#46;<a class="elsevierStyleCrossRef" href="#bib12"><span class="elsevierStyleSup">12</span></a></p><elsevierMultimedia ident="fig2"></elsevierMultimedia><p id="para60" class="elsevierStylePara elsevierViewall">About 5&#37; of patients who have a primary HSV-1 infection will develop recurrent episodes of herpes labialis &#40;cold sores&#41;&#44; as illustrated in <a class="elsevierStyleCrossRef" href="#fig3">Figure 3</a>&#46; This comprises episodes of paresthesia&#44; erythema&#44; vesiculation&#44; pustulization&#44; and ulcers at the mucocutaneous junctions of the lips and&#47;or nose&#46;<a class="elsevierStyleCrossRefs" href="#bib13"><span class="elsevierStyleSup">13&#8211;15</span></a> Precipitants of herpes labialis include concurrent illness&#44; UV light exposure&#44; and pregnancy&#46; Effective therapy entails 5&#37; aciclovir<a class="elsevierStyleCrossRef" href="#bib16"><span class="elsevierStyleSup">16</span></a> or 1&#37; penciclovir&#46;<a class="elsevierStyleCrossRef" href="#bib17"><span class="elsevierStyleSup">17</span></a> Herpes labialis may itself be a precipitant of erythema multiforme&#46;<a class="elsevierStyleCrossRef" href="#bib18"><span class="elsevierStyleSup">18</span></a></p><elsevierMultimedia ident="fig3"></elsevierMultimedia><p id="para70" class="elsevierStylePara elsevierViewall">This therapy typically provides symptomatic relief&#44; although systemic aciclovir and other anti-virals should be considered when disease is severe&#44; recurrent&#44; or atypical&#46;<a class="elsevierStyleCrossRef" href="#bib13"><span class="elsevierStyleSup">13</span></a> Aciclovir resistance may arise in immunosuppressed patients receiving repeated treatments&#44; hence the need for famciclovir&#44; valciclovir or foscarnet&#46;<a class="elsevierStyleCrossRef" href="#bib14"><span class="elsevierStyleSup">14</span></a> Interestingly&#44; foscarnet may itself give rise to oral ulcers&#44;<a class="elsevierStyleCrossRef" href="#bib15"><span class="elsevierStyleSup">15</span></a> and while aciclovir may be effective and useful in the treatment of erythema multiforme&#44; it can also give rise to this mucosal disorder&#46;</p></span><span id="cesec60" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle90">Herpes simplex virus 2&#44; Epstein-Barr virus and Cytomegalovirus</span><p id="para80" class="elsevierStylePara elsevierViewall">Although uncommon&#44; HSV-2 can give rise to oral ulcers similar to that of mild primary HSV-1 infection&#46; This oral ulcer arises as a consequence of orogenital transmission of the causative virus&#46;</p><p id="para90" class="elsevierStylePara elsevierViewall">Ulcers caused by Epstein&#8211;Barr virus &#40;EBV&#41; are rare&#44; but may be a feature of infectious mononucleosis&#46; The ulcers comprise a few small superficial ulcers of the oral mucosa&#46; EBV is more typically associated with the ulcers of some non-Hodgkin&#39;s lymphomas<a class="elsevierStyleCrossRef" href="#bib19"><span class="elsevierStyleSup">19</span></a> or white patches termed oral hairy leukoplakia &#40;OHL&#41; that may arise in cases of immunodeficiency &#40;e&#46;g&#46; HIV&#44; or with corticosteroid or other systemic immunosuppressant therapy&#44; etc&#46;&#41;&#46; It is also important to remember that OHL has been observed in patients with inflammatory bowel disease receiving immunosuppressive regimes&#46;<a class="elsevierStyleCrossRef" href="#bib20"><span class="elsevierStyleSup">20</span></a></p><p id="para100" class="elsevierStylePara elsevierViewall">Cytomegalovirus &#40;CMV&#41; may give rise to large&#44; chronic ulcers of the oral mucosa or gingiva&#46;<a class="elsevierStyleCrossRef" href="#bib21"><span class="elsevierStyleSup">21</span></a> These CMV-related ulcers occur exclusively under conditions of significant immunodeficiency&#44; notably severe HIV disease&#46; The diagnosis of such ulcers is difficult and is often only confirmed by resolution of ulcers with ganciclovir therapy&#46;<a class="elsevierStyleCrossRef" href="#bib22"><span class="elsevierStyleSup">22</span></a></p></span><span id="cesec70" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle100">Human herpesvirus 8 &#40;Kaposi&#39;s sarcoma herpes virus&#41;</span><p id="para110" class="elsevierStylePara elsevierViewall">Human herpesvirus 8 &#40;HHV-8&#41; is an oncogenic virus&#44; which causes Kaposi&#39;s sarcoma &#40;KS&#41;&#46; It is theorized that this virus&#44; when infecting circulating KS cell-progenitors&#44; predisposes a patient to KS development in the setting of exposure to Th1 inflammatory cytokines&#46; Lytic replication caused by the virus can further promote tissue inflammation&#44; thereby providing a proangiogenic stimulus that&#44; among other things&#44; increases generation of matrix metalloproteinases&#46; In this multifactorial model of infection&#44; hypoxia and injury can lead to the clinical expression of KS&#46; Commonly arising within the mouth of patients with severe HIV disease or as a feature of profound iatrogenic immunosuppression &#40;e&#46;g&#46; in patients with inflammatory bowel disease&#41;&#46; Oral KS typically affects the palate or gingiva and manifests as red&#44; blue or purple macules&#44; papules&#44; nodules or ulcers &#40;<a class="elsevierStyleCrossRef" href="#fig4">Fig&#46; 4</a>&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib23"><span class="elsevierStyleSup">23</span></a> Oral KS may also occasionally be non-pigmented&#44; and hence may mimic SCC&#46;<a class="elsevierStyleCrossRef" href="#bib24"><span class="elsevierStyleSup">24</span></a></p><elsevierMultimedia ident="fig4"></elsevierMultimedia><p id="para120" class="elsevierStylePara elsevierViewall">Kaposi&#39;s sarcoma of the anterior gingiva may be unsightly&#44; and in rare instances&#44; gingival lesions will cause the destruction of underlying periodontal tissues&#44; leading to tooth loss and sequestration of bone&#46;</p><p id="para130" class="elsevierStylePara elsevierViewall">Oral KS in HIV may be reduced or resolved with highly active antiretroviral therapy &#40;HAART&#41;&#59; although some oral lesions have been reported to resolve &#40;probably transiently&#41; with local radiotherapy&#44; local injection of cytotoxics&#44; or sclerosants&#46;<a class="elsevierStyleCrossRefs" href="#bib25"><span class="elsevierStyleSup">25&#8211;27</span></a></p></span><span id="cesec80" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle110">Human immunodeficiency virus</span><p id="para140" class="elsevierStylePara elsevierViewall">The oral consequences of HIV have been reviewed in detail elsewhere&#46;<a class="elsevierStyleCrossRefs" href="#bib28"><span class="elsevierStyleSup">28&#44;29</span></a> Infection with HIV gives rise to a wide spectrum of oral ulcerative lesions&#46; The majority of these are detailed in other sections of the review&#46; A minority of patients with severe HIV disease can develop deep&#44; necrotic ulcers of unknown etiology&#46; These ulcers are painful&#44; can cause profound dysphagia and&#47;or dysarthria&#44; and can arise on any oral mucosal surface&#44; although the buccal and pharyngeal mucosae are the more commonly affected sites&#46; The precise etiology of these HIV-related ulcers is unknown&#46;<a class="elsevierStyleCrossRef" href="#bib30"><span class="elsevierStyleSup">30</span></a> HHV-8 DNA has been detected within such ulcers&#44; although it is unclear whether the virus is causative or merely a passenger&#46;<a class="elsevierStyleCrossRef" href="#bib31"><span class="elsevierStyleSup">31</span></a> Of note&#44; such ulcers typically resolve with systemic thalidomide &#40;e&#46;g&#46; 200 mg daily&#41;&#44; perhaps reflecting an antitumor necrosis factor &#40;TNF&#41;-<span class="elsevierStyleItalic">&#225;</span> effect&#44; which supports a viral etiology&#46;<a class="elsevierStyleCrossRef" href="#bib32"><span class="elsevierStyleSup">32</span></a> Small numbers of patients with HIV disease may have ulcers similar to those of recurrent aphthous stomatitis &#40;RAS&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig5">Fig&#46; 5</a>&#41;&#59; to date&#44; the cause of RAS has not been established&#46; This limitation continues to compromise the clinician&#39;s ability to provide effective therapy&#46; Whether the frequency of RAS is truly increased in HIV also remains unclear&#46;<a class="elsevierStyleCrossRef" href="#bib33"><span class="elsevierStyleSup">33</span></a></p><elsevierMultimedia ident="fig5"></elsevierMultimedia></span></span><span id="cesec90" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle120">Bacterial infection</span><span id="cesec100" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle130">Acute necrotizing ulcerative gingivitis</span><p id="para150" class="elsevierStylePara elsevierViewall">Acute necrotizing ulcerative gingivitis &#40;Vincent&#39;s disease&#44; trench mouth&#44; acute ulcerative gingivitis&#41; is a non-specific ulcerative disorder that is almost always localized to the gingivae &#40;<a class="elsevierStyleCrossRef" href="#fig6">Fig&#46; 6</a>&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib34"><span class="elsevierStyleSup">34</span></a> Associated contributing factors include poorly controlled diabetes mellitus&#44; tobacco smoking&#44; immunodeficiency &#40;notably severe HIV disease&#41;&#44; and possibly psychological stress&#46; This condition is also associated with poor oral hygiene&#46; Measles and malnutrition have also been implicated as predisposing factors to Acute Necrotizing Ulcerative Gingivitis &#40;ANUG&#41;&#44; common oral diseases prevalent among children ages 3-6 years living in rural communities&#46;</p><elsevierMultimedia ident="fig6"></elsevierMultimedia><p id="para160" class="elsevierStylePara elsevierViewall">Vincent&#39;s disease manifests as painful ulcers of the gingival margins&#44; particularly the interdental areas&#46; The ulcers may be localized or generalized and&#44; when severe&#44; they will give rise to cervical lymphadenopathy and&#44; very rarely&#44; to pyrexia and malaise&#46; There is often oral malodor associated with Vincent&#39;s disease&#46; Long-standing or recurrent disease may lead to destruction and loss of interdental papillae&#46;</p><p id="para170" class="elsevierStylePara elsevierViewall">An ANUG-like disease termed cancrum oris &#40;noma&#41; &#40;<a class="elsevierStyleCrossRefs" href="#fig7">Figs&#46; 7 and 8</a>&#41; can arise in profoundly malnourished children and adults&#46; Unlike the ANUG in immunocompetent individuals&#44; the ulcers of cancrum oris spread to the adjacent soft tissues&#44; leading to necrosis of the lips and&#47;or cheeks&#46; Cancrum oris has most commonly been reported in children in Central Africa&#44; where malnourishment arises from poverty that results from political and economical unrest&#46;<a class="elsevierStyleCrossRef" href="#bib35"><span class="elsevierStyleSup">35</span></a></p><elsevierMultimedia ident="fig7"></elsevierMultimedia><elsevierMultimedia ident="fig8"></elsevierMultimedia><p id="para180" class="elsevierStylePara elsevierViewall">An ANUG-like disorder that spreads to the underlying bone and adjacent soft tissues &#8211; termed necrotizing stomatitis &#8211; has been reported in a small number of patients with severe HIV disease&#46; Occasionally&#44; this disorder may be the first&#44; and&#47;or only clinical manifestation of HIV disease&#46;<a class="elsevierStyleCrossRef" href="#bib36"><span class="elsevierStyleSup">36</span></a></p><p id="para190" class="elsevierStylePara elsevierViewall">Ulcers of ANUG typically resolve with the removal of deposits of plaque and calculus and the topical application of chlorhexidine gluconate mouth rinse &#40;0&#46;2&#37;&#41; or gel &#40;1&#37;&#41;&#46; Systemic antimicrobials &#40;e&#46;g&#46; metronidazole or phenoxymethyl penicillin&#41; may be required when the gingivitis is profound and&#47;or there is systemic upset&#46; Cancrum oris also requires tissue debridement and correction of the underlying malnourishment&#59; however&#44; prognosis for the affected children is often poor&#46;<a class="elsevierStyleCrossRef" href="#bib37"><span class="elsevierStyleSup">37</span></a> Post-healing fibrosis and scarring represent a significant complication of cancrum oris&#46;</p></span><span id="cesec110" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle140">Treponema pallidum</span><p id="para200" class="elsevierStylePara elsevierViewall">The frequency of oral ulcers due to infective syphilis is likely to increase as a consequence of the rising number of subjects affected with <span class="elsevierStyleItalic">Treponema pallidum</span>&#59; this may reflect changes in sexual attitudes and behavior&#44; changing trends in HIV disease&#44; and increased foreign travel&#46;<a class="elsevierStyleCrossRef" href="#bib38"><span class="elsevierStyleSup">38</span></a> Oral ulcers can arise in primary&#44; secondary or tertiary disease&#46; In primary disease&#44; a chancre can develop on the oral mucosa as a consequence of direct contact with an infective lesion&#46; Ulcers of a primary infection typically arise on the upper &#40;in females&#41; or lower lip &#40;in males&#41; and manifest as a superficial to deep isolated ulcer that sometimes has a rolled edge&#46; Occasionally&#44; there can be isolated ulcers of the gingiva&#46;<a class="elsevierStyleCrossRef" href="#bib39"><span class="elsevierStyleSup">39</span></a> The oral chancre typically resolves with antimicrobial therapy&#46;<a class="elsevierStyleCrossRef" href="#bib40"><span class="elsevierStyleSup">40</span></a> Secondary syphilis can give rise to multiple areas of superficial papules and ulcers&#44; some of the latter being serpiginous&#44; and are thus termed snail-track ulcers&#46; Tertiary disease may produce ulcers as a consequence of gumma formation&#44; with the ulcers manifesting as isolated areas of chronic ulceration&#44; sometimes with the destruction of the underlying soft and&#47;or hard tissues &#40;e&#46;g&#46; palate or tongue&#41;&#46;</p></span></span><span id="cesec120" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle150">Mycobacterial infection</span><p id="para210" class="elsevierStylePara elsevierViewall">Primary oral infection of <span class="elsevierStyleItalic">Mycobacterium tuberculosis</span> is rare&#59;<a class="elsevierStyleCrossRef" href="#bib41"><span class="elsevierStyleSup">41</span></a> more commonly&#44; tuberculosis infection of the oral mucosa arises secondary to pulmonary disease&#46; Tuberculosis typically presents as solitary&#44; necrotic ulcers of the tongue&#46; Infection by atypical mycobacteria &#40;e&#46;g&#46; <span class="elsevierStyleItalic">Mycobacterium avium</span> complex&#41; is rare&#44; but may affect the oral mucosa or gingiva&#44; usually in HIV-infected individuals&#46;<a class="elsevierStyleCrossRef" href="#bib42"><span class="elsevierStyleSup">42</span></a></p></span><span id="cesec130" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle160">Yeast and Fungal infections</span><p id="para220" class="elsevierStylePara elsevierViewall">While <span class="elsevierStyleItalic">Candida</span> species&#44; usually <span class="elsevierStyleItalic">Candida albicans&#44;</span> are the most common fungal infection of the mouth&#44; these rarely give rise to oral ulcers&#46; Chronic mucocutaneous candidiasis &#40;CMC&#41; is one of the most common T-cell diseases&#44; but the exact underlying defect is unknown&#46; The disease usually starts in early childhood&#44; but it may also start as late as early adolescence&#46; Affected children have persistent oral thrush&#44; napkin dermatitis&#44; skin infections&#44; dystrophic nails&#44; alopecia&#44; and thrush on the genital skin and oral mucous membranes&#46; Candida granulomas rarely occur&#46; Although fungal infection is the most important feature of this disease&#44; in rare cases&#44; recurrent bacterial infections and viral infections such as herpes simplex&#44; herpes zoster and hepatitis can occur&#46; This condition may occasionally give rise to ulcers of the dorsum of tongue&#46;<a class="elsevierStyleCrossRef" href="#bib43"><span class="elsevierStyleSup">43</span></a></p><p id="para230" class="elsevierStylePara elsevierViewall">Systemic mycoses can cause oral ulcers&#44; typically in immunosuppressed hosts&#46; In HIV disease&#44; <span class="elsevierStyleItalic">Aspergillus fumigatum</span> may give rise to long-standing ulcers of the gingiva<a class="elsevierStyleCrossRef" href="#bib44"><span class="elsevierStyleSup">44</span></a> or oral mucosa as may <span class="elsevierStyleItalic">Histoplasma capsulatum&#46;</span><a class="elsevierStyleCrossRef" href="#bib45"><span class="elsevierStyleSup">45</span></a> South America paracoccidiodomycosis &#40;South American Blastomycosis&#41; may give rise to large areas of ulcers reminiscent of oral SCC&#44; with this infection arising in both immunocompetent and immunosuppressed individuals&#46;<a class="elsevierStyleCrossRefs" href="#bib46"><span class="elsevierStyleSup">46&#44;47</span></a></p></span><span id="cesec140" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle170">Idiopathic ulcers</span><span id="cesec150" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle180">Recurrent aphthous stomatitis</span><p id="para240" class="elsevierStylePara elsevierViewall">The most common non-infectious and non-traumatic oral mucosal ulcerative disorder is recurrent aphthous stomatitis &#40;RAS&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig9">Fig&#46; 9</a>&#41;&#46; The disease affects non-keratinized oral mucosa&#44; especially the vestibulum&#44; soft palate&#44; tongue and sublingual area&#46; It is clinically characterized by recurrent episodes of oral ulceration in an otherwise healthy individual&#46; The ulcers arise every 4&#8211;12 weeks and may be classified as minor&#44; major&#44; or herpetiform&#46; The ulcers are superficial&#44; rounded and have a yellow-colored slough with surrounding erythema&#46; The ulcers of major RAS may cause scarring upon healing&#44; and it has been suggested that ulcers of herpetiform RAS may coalesce to produce large areas of ulcers that heal with scarring&#46; Rarely&#44; major aphthous stomatitis causes tissue destruction &#40;e&#46;g&#46; of the soft palate&#41;&#46;</p><elsevierMultimedia ident="fig9"></elsevierMultimedia><p id="para250" class="elsevierStylePara elsevierViewall">Undoubtedly&#44; RAS has an immunologically mediated pathogenesis&#59; however&#44; the precise cause of RAS remains unclear&#46; Reduced percentages of CD4 and CD8 cells in peripheral blood have been documented&#44; but the results are still controversial&#46;<a class="elsevierStyleCrossRef" href="#bib48"><span class="elsevierStyleSup">48</span></a> Suggested etiologies include idiopathic hematoma deficiency&#44; cessation of tobacco smoking&#44; and psychological stress&#44; but there is little scientific evidence to support of any of these&#46; While superficial ulcers similar to RAS may arise in gluten-sensitive enteropathy&#44;<a class="elsevierStyleCrossRef" href="#bib49"><span class="elsevierStyleSup">49</span></a> the vast majority of patients with RAS have no clinical&#44; gastroenterological&#44; or serological features of this small bowel disorder&#46; To date&#44; no common viral or bacterial infection of the mouth has been implicated in the etiology of RAS&#46;<a class="elsevierStyleCrossRef" href="#bib48"><span class="elsevierStyleSup">48</span></a> There is also no consistent association between <span class="elsevierStyleItalic">Helicobacter pylori</span> infection and RAS&#46;<a class="elsevierStyleCrossRef" href="#bib50"><span class="elsevierStyleSup">50</span></a></p><p id="para260" class="elsevierStylePara elsevierViewall">Therapy for RAS is directed towards reducing the duration and&#47;or frequency of episodes of ulceration&#46;<a class="elsevierStyleCrossRef" href="#bib51"><span class="elsevierStyleSup">51</span></a> Topical corticosteroids are used in the most cases&#59; however&#44; few of these have been found to be significantly effective in appropriate clinical studies&#46; Chlorhexidine gluconate mouth rinse may be of some benefit &#40;and has been evaluated in detail&#41;&#44;<a class="elsevierStyleCrossRef" href="#bib52"><span class="elsevierStyleSup">52</span></a> but it has only limited clinical value in the management of RAS&#46; Benzydamine hydrochloride spray or mouth rinse provides some symptomatic relief&#44; but does not hasten ulcer healing&#46; Although effective&#44; systemic therapy with prednisone is rarely warranted&#44; and the mechanism of this effect is unclear&#46;<a class="elsevierStyleCrossRefs" href="#bib53"><span class="elsevierStyleSup">53&#8211;55</span></a> Thalidomide is highly effective&#44; but in view of the adverse side effects including teratogenicity and neurotoxicity&#44; its routine application for such a recurrent and minor disorder is contraindicated&#46;<a class="elsevierStyleCrossRef" href="#bib56"><span class="elsevierStyleSup">56</span></a></p><p id="para270" class="elsevierStylePara elsevierViewall">Ulcers similar to RAS are one of the cardinal features of Behcet&#39;s disease&#46; The ulcers have only rarely been described in detail&#44; but seem to have the same clinical features as RAS&#46; A detailed discussion of Behcet&#39;s disease can be found elsewhere&#46;<a class="elsevierStyleCrossRef" href="#bib57"><span class="elsevierStyleSup">57</span></a> Other disorders that can give rise to RAS-like ulcers include a variant of Behcet&#39;s disease termed MAGIC syndrome&#44; Sweet&#39;s syndrome&#44; and HIV disease&#46;<a class="elsevierStyleCrossRef" href="#bib58"><span class="elsevierStyleSup">58</span></a> A rare disorder in childhood that is characterized by pyrexia&#44; pharyngitis&#44; cervical lymphadenopathy and aphthous-like ulcers&#44; sometimes termed PFAPA &#40;periodic fever&#44; aphthae&#44; pharyngitis and adenitis&#41;&#44; has also been described&#46;<a class="elsevierStyleCrossRef" href="#bib59"><span class="elsevierStyleSup">59</span></a></p></span></span><span id="cesec160" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle190">Oral ulcers related to systemic disease</span><span id="cesec170" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle200">Gastrointestinal disease</span><p id="para280" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Gluten-sensitive enteropathy</span></p><p id="para290" class="elsevierStylePara elsevierViewall">Superficial oral mucosal ulcers similar to RAS may be a feature of 1&#8211;5&#37; patients with undiagnosed&#44; untreated gluten-sensitive enteropathy&#46;<a class="elsevierStyleCrossRef" href="#bib60"><span class="elsevierStyleSup">60</span></a> The ulceration is presumably due to the associated hematinic deficiencies&#46;</p><p id="para300" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Dermatitis herpetiformis and related disorders</span></p><p id="para310" class="elsevierStylePara elsevierViewall">Oral lesions in dermatitis herpetiformis have been described only rarely&#46; These may comprise oral mucosal vesicles&#44; blood-filled blisters&#44; irregular ulcers and desquamative gingitivitis&#46; Linear IgA disease may likewise give rise to blood-filled vesicles or bullae&#44; irregular ulcers and desquamative gingivitis&#46; A long-term gluten-free diet &#40;GFD&#41; has been used successfully as a first-choice treatment for dermatitis herpetiformis &#40;DH&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib61"><span class="elsevierStyleSup">61</span></a></p><p id="para320" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Crohn&#39;s disease and related disorders</span></p><p id="para330" class="elsevierStylePara elsevierViewall">Oral ulcers arise in approximately 9&#37; of patients with undiagnosed Crohn&#39;s disease and can be the first and&#47;or only clinical features of this disorder&#46; Crohn&#39;s disease is a systemic chronic inflammatory disorder that may involve any part of the gastrointestinal tract&#44; including the oral cavity&#46; The prevalence rates of oral manifestations vary between 5 and 20 per cent&#59; however&#44; in pediatric patients&#44; the prevalence is much higher &#40;48&#37; to 80&#37;&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib62"><span class="elsevierStyleSup">62</span></a> Two types of oral ulcers can arise in orofacial granulomatosis &#40;OFG&#41; and Crohn&#39;s disease &#8211; chronic deep linear ulcers&#44; usually of the buccal vestibules&#44; which often have a rolled edge because of mucosal tags&#59; and superficial oral mucosal ulcers &#40;<a class="elsevierStyleCrossRef" href="#fig10">Fig&#46; 10</a>&#41; presumably resulting from hematinic deficiency&#46; The diagnosis of such ulcers requires establishing the presence of non-caseating granulomas and the exclusion of other granulomatous diseases&#44; such as sarcoidosis&#46;</p><elsevierMultimedia ident="fig10"></elsevierMultimedia><p id="para340" class="elsevierStylePara elsevierViewall">The precise relationship between OFG and gastrointestinal Crohn&#39;s disease remains unclear since there are few studies examining the gastrointestinal tract of children and adults with OFG&#46; Certainly&#44; there are reports of OFG as an initial presentation of Crohn&#39;s disease&#46;<a class="elsevierStyleCrossRefs" href="#bib63"><span class="elsevierStyleSup">63&#44;64</span></a> Similarly&#44; OFG-like disease may be a feature of patients with concurrent gastrointestinal Crohn&#39;s disease&#46;<a class="elsevierStyleCrossRefs" href="#bib65"><span class="elsevierStyleSup">65&#44;66</span></a> The human leukocyte antigen &#40;HLA&#41; haplotype of patients with OFG differs from that of Crohn&#39;s disease&#46;<a class="elsevierStyleCrossRef" href="#bib67"><span class="elsevierStyleSup">67</span></a> The precise association between OFG and gastrointestinal Crohn&#39;s disease remains unknown&#46;</p><p id="para350" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Ulcerative colitis</span></p><p id="para360" class="elsevierStylePara elsevierViewall">Ulcerative colitis can give rise to either aphthous ulcers or to multiple pustules called pyostomatitis vegetans&#46; The ulcers of the latter arise on the upper and lower anterior vestibules&#44; the soft palate&#44; and the posterior hard palate&#46; Pyostomatitis vegetans tends to arise in patients with undiagnosed or active ulcerative colitis&#46; Although most frequently associated with ulcerative colitis&#44; pyostomatitis vegetans may occasionally arise in Crohn&#39;s disease&#46;<a class="elsevierStyleCrossRef" href="#bib68"><span class="elsevierStyleSup">68</span></a> Pyoderma gangrenosum&#44; manifesting as a solitary&#44; necrotic mucosal ulcer has also been reported in the mouth in rare cases&#46;<a class="elsevierStyleCrossRef" href="#bib69"><span class="elsevierStyleSup">69</span></a></p><p id="para370" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Others</span></p><p id="para380" class="elsevierStylePara elsevierViewall">As discussed above&#44; necrotizing sialometaplasia may arise secondary to palatal trauma in bulimia nervosa&#46; Gastro-esophageal reflux does not cause oral ulceration&#44; although it has been associated with erosion of the palatal aspects of the upper teeth&#46;<a class="elsevierStyleCrossRef" href="#bib70"><span class="elsevierStyleSup">70</span></a></p><p id="para390" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Lichen planus</span></p><p id="para400" class="elsevierStylePara elsevierViewall">Lichen planus is by far the most common dermatological disorder that gives rise to oral ulcers&#46; Lichen planus is an immunologically mediated disorder that is histopathologically characterized by an intense dermal infiltrate of T-lymphocytes&#46; The precise trigger for this immunological reaction is unclear&#46; There is no evidence that the clinical features of idiopathic oral lichen planus are any different from those of the drug-associated diseases &#40;<a class="elsevierStyleCrossRefs" href="#fig11">Figs&#46; 11 and 12</a>&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib71"><span class="elsevierStyleSup">71</span></a></p><elsevierMultimedia ident="fig11"></elsevierMultimedia><elsevierMultimedia ident="fig12"></elsevierMultimedia><p id="para410" class="elsevierStylePara elsevierViewall">Similarly&#44; although histopathological differences between idiopathic lichen planus and drug-related diseases have been described&#44; there is profound inconsistency among the proposed pathological hallmarks of these two disorders&#46;<a class="elsevierStyleCrossRef" href="#bib72"><span class="elsevierStyleSup">72</span></a> Drugs that may commonly give rise to lichen planus-like disease include sulphonyureas&#44; non-steroidal anti-inflammatory drugs&#44; &#946;-blockers&#44; antimalarials&#44; penicillamine and gold&#46; Associations between hepatitis C virus and oral lichen planus probably reflect the epidemiology of hepatitis C virus infection and&#47;or use of interferon-&#945;&#46;<a class="elsevierStyleCrossRef" href="#bib73"><span class="elsevierStyleSup">73</span></a> A lichen planus-like disorder can also arise in chronic graft-versus-host disease&#46;</p><p id="para420" class="elsevierStylePara elsevierViewall">Lichen planus only warrants treatment in patients who are having painful symptoms and&#47;or signs of erosion&#44; ulcers&#44; or blister formation&#46; Typical treatment involves topical corticosteroids&#44;<a class="elsevierStyleCrossRef" href="#bib74"><span class="elsevierStyleSup">74</span></a> although severe cases may warrant local &#40;e&#46;g&#46; topical tacrolimus&#41; and systemic immunosuppressant therapy<a class="elsevierStyleCrossRefs" href="#bib75"><span class="elsevierStyleSup">75&#44; 76</span></a>&#44; the latter of which does not have a strong evidence base&#46;</p><p id="para430" class="elsevierStylePara elsevierViewall">Of note&#44; it has been suggested that oral lichen planus may be potentially malignant&#46; The evidence for this is generally based upon retrospective studies of large numbers of affected patients&#46; It is suggested that approximately 1&#8211;3&#37; of patients with long-standing lichen planus may develop oral SCC&#46;<a class="elsevierStyleCrossRef" href="#bib77"><span class="elsevierStyleSup">77</span></a> Often&#44; however&#44; the descriptions have not detailed whether the tumor arose within existing lichen planus&#44; and no detailed prospective control studies of the development of oral SCC in long-standing lichen planus have ever been undertaken&#46;</p><p id="para440" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Malignancy</span></p><p id="para450" class="elsevierStylePara elsevierViewall">The common malignancies of the mouth may manifest as oral ulcers&#46; SCC is the most common tumor of the mouth&#44; typically manifesting as a solitary ulcer of the dorsum of tongue or floor of mouth &#40;<a class="elsevierStyleCrossRef" href="#fig13">Fig&#46; 13</a>&#41;&#46; The ulceration is locally destructive and&#44; when affecting the tongue&#44; may give rise to lingual and&#47;or hypoglossal nerve damage with or without dysarthria or dysphagia&#46; Gingival SCC may give rise to tooth mobility and&#44; very rarely&#44; to a pathological fracture of the mandible&#46;</p><elsevierMultimedia ident="fig13"></elsevierMultimedia><p id="para460" class="elsevierStylePara elsevierViewall">Oral SCC remains one of the more common cancers worldwide&#44; particularly in developing countries such as India&#46;<a class="elsevierStyleCrossRefs" href="#bib78"><span class="elsevierStyleSup">78&#8211;80</span></a> There is a rising frequency of oral SCC in the middle-aged adult population in the developed world&#46; High tobacco &#40;in any form&#41; and alcohol consumption are the principal etiological factors of oral SCC&#46; Other suggestive etiologies include human papilloma virus&#44; malnourishment &#40;in particular deficiencies of vitamins A and C&#41;&#44; and possibly poor oral hygiene&#46;</p><p id="para470" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Non-Hodgkin&#39;s lymphoma</span></p><p id="para480" class="elsevierStylePara elsevierViewall">Non-Hodgkin&#39;s lymphoma may manifest as a solitary area of necrotic ulcers typically affecting the gingiva&#44; palate and fauces&#46; This tumor may arise <span class="elsevierStyleItalic">de novo&#44;</span> but is often associated with iatrogenic immunosuppression in HIV disease&#46; A detailed review of non-Hodgkin&#39;s lymphoma of the mouth can be found elsewhere&#46;<a class="elsevierStyleCrossRef" href="#bib81"><span class="elsevierStyleSup">81</span></a> NK&#47;T-cell lymphoma tends to affect the upper anterior gingival and palate&#59; this is a T-cell lymphoma&#44; which is in contrast to most non-Hodgkin&#39;s lymphoma of the mouth&#46;<a class="elsevierStyleCrossRefs" href="#bib82"><span class="elsevierStyleSup">82&#44;83</span></a></p><p id="para490" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Drug therapy</span></p><p id="para500" class="elsevierStylePara elsevierViewall">A wide range of drugs can give rise to ulcers of the oral mucosa&#46;<a class="elsevierStyleCrossRef" href="#bib84"><span class="elsevierStyleSup">84</span></a> The mechanisms by which drugs cause oral ulcers include drug-induced neutropenia and anemia &#40;e&#46;g&#46; cytotoxics&#41;&#44; lichenoid disease &#40;e&#46;g&#46; sulphanylureas&#44; <span class="elsevierStyleItalic">&#226;-</span>blockers&#44; gold&#44; penicillamine&#41;&#44; pemphigus &#40;e&#46;g&#46; angiotensin-converting enzyme inhibitors&#41;&#44; lupus&#44; and IgA dermatoses&#46;</p><p id="para510" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Leishmaniasis</span></p><p id="para520" class="elsevierStylePara elsevierViewall">Cutaneous leishmaniasis&#44; endemic in some parts of the Americas&#44; is caused by <span class="elsevierStyleItalic">Leishmania viannia</span> and <span class="elsevierStyleItalic">Leishmania mexicana</span> species complexes&#46; Infection with <span class="elsevierStyleItalic">L&#46; viannia</span> species&#44; particularly <span class="elsevierStyleItalic">Leishmania viannia braziliensis&#44;</span> results in skin lesions that tend to be persistent and may be further complicated by mucocutaneous involvement&#46; Mucosal leishmaniasis probably results from early hematogenous or lymphatic spread from cutaneous lesions&#46; It causes destruction of the facial structure&#44; which may lead to aspiration&#44; infection&#44; and even death&#46; Mucosal leishmaniasis may appear at any time&#44; from the first months after infection to decades afterward&#46; Risk factors include large or multiple cutaneous lesions&#44; male gender&#44; and long-standing skin lesions for which adequate systemic treatment has not been administered&#46;<a class="elsevierStyleCrossRef" href="#bib85"><span class="elsevierStyleSup">85</span></a></p></span></span></span></span>"
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          "identificador" => "xpalclavsec1585235"
          "titulo" => "KEYWORDS"
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          "identificador" => "xres1815580"
          "titulo" => "RESUMO"
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          "identificador" => "xpalclavsec1585234"
          "titulo" => "UNITERMOS"
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        3 => array:2 [
          "identificador" => "cesec10"
          "titulo" => "INTRODUCTION"
        ]
        4 => array:3 [
          "identificador" => "cesec20"
          "titulo" => "Oral ulcers of traumatic &#40;physical and chemical&#41; etiology"
          "secciones" => array:7 [
            0 => array:2 [
              "identificador" => "cesec30"
              "titulo" => "Necrotizing sialometaplasia"
            ]
            1 => array:3 [
              "identificador" => "cesec40"
              "titulo" => "Viral diseases"
              "secciones" => array:4 [
                0 => array:2 [
                  "identificador" => "cesec50"
                  "titulo" => "Herpes simplex virus 1"
                ]
                1 => array:2 [
                  "identificador" => "cesec60"
                  "titulo" => "Herpes simplex virus 2&#44; Epstein-Barr virus and Cytomegalovirus"
                ]
                2 => array:2 [
                  "identificador" => "cesec70"
                  "titulo" => "Human herpesvirus 8 &#40;Kaposi&#39;s sarcoma herpes virus&#41;"
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                3 => array:2 [
                  "identificador" => "cesec80"
                  "titulo" => "Human immunodeficiency virus"
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              "identificador" => "cesec90"
              "titulo" => "Bacterial infection"
              "secciones" => array:2 [
                0 => array:2 [
                  "identificador" => "cesec100"
                  "titulo" => "Acute necrotizing ulcerative gingivitis"
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                1 => array:2 [
                  "identificador" => "cesec110"
                  "titulo" => "Treponema pallidum"
                ]
              ]
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            3 => array:2 [
              "identificador" => "cesec120"
              "titulo" => "Mycobacterial infection"
            ]
            4 => array:2 [
              "identificador" => "cesec130"
              "titulo" => "Yeast and Fungal infections"
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            5 => array:3 [
              "identificador" => "cesec140"
              "titulo" => "Idiopathic ulcers"
              "secciones" => array:1 [
                0 => array:2 [
                  "identificador" => "cesec150"
                  "titulo" => "Recurrent aphthous stomatitis"
                ]
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              "identificador" => "cesec160"
              "titulo" => "Oral ulcers related to systemic disease"
              "secciones" => array:1 [
                0 => array:2 [
                  "identificador" => "cesec170"
                  "titulo" => "Gastrointestinal disease"
                ]
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        5 => array:1 [
          "titulo" => "REFERENCES"
        ]
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    "fechaRecibido" => "2007-06-12"
    "fechaAceptado" => "2007-08-27"
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          "clase" => "keyword"
          "titulo" => "KEYWORDS"
          "identificador" => "xpalclavsec1585235"
          "palabras" => array:5 [
            0 => "Oral Ulceration"
            1 => "Oral Medicine"
            2 => "Oral Lesions"
            3 => "Recurrent Aphthous Stomatitis"
            4 => "Recurrent Oral Ulceration"
          ]
        ]
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          "clase" => "keyword"
          "titulo" => "UNITERMOS"
          "identificador" => "xpalclavsec1585234"
          "palabras" => array:5 [
            0 => "Ulcera&#231;&#227;o Oral"
            1 => "Medicina Oral"
            2 => "Les&#245;es Orais"
            3 => "Estomatite Aftosa Recorrente"
            4 => "Ulcera&#231;&#227;o Oral Recorrente"
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        "resumen" => "<span id="ceabs10" class="elsevierStyleSection elsevierViewall"><p id="spara140" class="elsevierStyleSimplePara elsevierViewall">Oral ulceration is a common complaint of patients attending out-patient clinics&#46; Because of the diversity in causes of oral ulceration&#44; patients presenting with oral mucosal disease can be challenging to diagnose and manage&#46; Patients with signs or symptoms of oral ulcers are sometimes referred to gastroenterology clinics&#59; however&#44; in most instances the ulcers do not result from gastrointestinal disease&#46; The aim of the present article is to review aspects of the etiology&#44; diagnosis and management of common ulcerative disorders of the oral mucosa&#46; A search in the National Library of Medicine computerized bibliographic database MEDLINE was performed&#46; Selection of publications&#44; extraction of data&#44; and validity assessment were then performed by the authors&#46; Based upon the searched literature&#44; it is concluded that there are several systemic disorders that can present with similar clinical signs and symptoms&#44; and knowledge of each disease is necessary for the clinician to provide proper management&#46;</p></span>"
      ]
      "pt" => array:2 [
        "titulo" => "RESUMO"
        "resumen" => "<span id="ceabs20" class="elsevierStyleSection elsevierViewall"><p id="spara160" class="elsevierStyleSimplePara elsevierViewall">A ulcera&#231;&#227;o oral &#233; uma queixa comum dos pacientes que s&#227;o atendidos em ambulat&#243;rios&#46; Com freq&#252;&#234;ncia &#233; dif&#237;cil estabelecer um diagn&#243;stico preciso e atingir o controle dos sinais e sintomas dos pacientes que apresentam ulcera&#231;&#227;o oral&#46; Os pacientes acometidos por ulcera&#231;&#227;o oral s&#227;o eventualmente encaminhados para os ambulat&#243;rios de gastroenterologia&#44; entretanto&#44; a maioria das &#250;lceras n&#227;o reflete doen&#231;a gastrointestinal&#44; e sim desordens sist&#234;micas que podem se apresentar com sinais e sintomas cl&#237;nicos similares&#46; O objetivo do presente artigo foi revisar aspectos da etiologia&#44; diagn&#243;stico e tratamento das desordens ulcerativas mais comuns da mucosa oral&#46; Foi realizada uma busca no banco de dados MEDLINE da National Library of Medicine&#46; A sele&#231;&#227;o dos artigos&#44; coleta de dados e julgamento em termos da pertin&#234;ncia de inclus&#227;o foram realizadas pelos autores&#46; Baseado na literatura pesquisada&#44; foi conclu&#237;do que existem v&#225;rias doen&#231;as sist&#234;micas que podem apresentar sinais e sintomas cl&#237;nicos semelhantes e o conhecimento de cada doen&#231;a poder&#225; guiar o cl&#237;nico para uma interven&#231;&#227;o apropriada&#46;</p></span>"
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Article information

ISSN: 18075932
Original language: English

DOI:10.1590/S1807-59322007000600018

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