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Díaz-Valiño" "autores" => array:3 [ 0 => array:2 [ "nombre" => "Jorge" "apellidos" => "Rodríguez-Antuña" ] 1 => array:2 [ "nombre" => "Pablo" "apellidos" => "Fernández-Armendáriz" ] 2 => array:2 [ "nombre" => "José L." "apellidos" => "Díaz-Valiño" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S217357351600003X?idApp=UINPBA00004N" "url" => "/21735735/0000006700000001/v1_201602250045/S217357351600003X/v1_201602250045/en/main.assets" ] "en" => array:13 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Images in Otorhinolaryngology</span>" "titulo" => "Bilateral Dystrophic Ossification of the Thyroid Cartilage" "tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "e4" "paginaFinal" => "e5" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "Elena Hernández-Montero, Lara Berrocal-Morales, Margarita Mesa-Marrero" "autores" => array:3 [ 0 => array:4 [ "nombre" => "Elena" "apellidos" => "Hernández-Montero" "email" => array:1 [ 0 => "elehermon@gmail.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor0005" ] ] ] 1 => array:3 [ "nombre" => "Lara" "apellidos" => "Berrocal-Morales" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] 2 => array:3 [ "nombre" => "Margarita" "apellidos" => "Mesa-Marrero" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Servicio de Otorrinolaringología, Hospital de Viladecans, Viladecans, Barcelona, Spain" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Servicio de Radiología, Hospital de Viladecans, Viladecans, Barcelona, Spain" "etiqueta" => "b" "identificador" => "aff0010" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Osificación distrófica bilateral del cartílago tiroides" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:6 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 708 "Ancho" => 900 "Tamanyo" => 72944 ] ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">We present the case of a 50-year old female teacher, non-smoker, with dysphonia that had evolved over the course of a year.</p><p id="par0010" class="elsevierStylePara elsevierViewall">When speaking, she contracted the extrinsic laryngeal musculature severely. Fibroscopy revealed submucosal protrusions at the level of both vocal folds, with the one on the left being larger. These thyroid cartilage lamina lesions, unconnected and of a fatty density, could be seen in the post-contrast computed tomography (CT) scan (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>). In the precontrast T1-weighted magnetic resonance (MR) imaging, the lesions appeared hyperintense (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>), while they appeared hypointense in the post-contrast T1-weighted sequence (<a class="elsevierStyleCrossRef" href="#fig3">Fig. 3</a>).</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><elsevierMultimedia ident="fig3"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">A complete series of X-rays and gammagraphy (Tc<span class="elsevierStyleSup">99</span>) did not reveal any bone activity.</p><p id="par0020" class="elsevierStylePara elsevierViewall">Bilateral dystrophic calcification of the thyroid cartilage is a rare lesion caused by improper use of the extra-laryngeal musculature that leads to chronic micro-traumatism and progressive calcification of the tendinous insertions in the cartilage. Differential diagnosis should take into account submucosal laryngeal lesions (laryngoceles, carcinomas, lymphomas, paragangliomas, fibro-sarcomas and tuberculosis) and cartilaginous lesions (chondroma, chondrosarcoma and aging-derived changes).</p><p id="par0025" class="elsevierStylePara elsevierViewall">Hyperintense T2-weighted MR images are not pathognomonic, because they can appear in inflammatory processes, cartilaginous lesions, cystic lesions and laryngoceles.</p><p id="par0030" class="elsevierStylePara elsevierViewall">There are 3 key points for the diagnosis:<ul class="elsevierStyleList" id="lis0005"><li class="elsevierStyleListItem" id="lsti0005"><span class="elsevierStyleLabel">1</span><p id="par0035" class="elsevierStylePara elsevierViewall">The post-contrast T1-weighted sequence image (<a class="elsevierStyleCrossRef" href="#fig3">Fig. 3</a>) shows fat suppression.</p></li><li class="elsevierStyleListItem" id="lsti0010"><span class="elsevierStyleLabel">2</span><p id="par0040" class="elsevierStylePara elsevierViewall">The content is fat, so that is why they appear hypointense in this sequence, and they would likewise do so in fast spin echo (FSE) T2-weighted MR images and in CT imaging.</p></li><li class="elsevierStyleListItem" id="lsti0015"><span class="elsevierStyleLabel">3</span><p id="par0045" class="elsevierStylePara elsevierViewall">They are not enhanced after an injection of contrast, just the opposite of how a tumour would behave.</p></li></ul></p><p id="par0050" class="elsevierStylePara elsevierViewall">Symmetric lesion development does not imply a cartilaginous tumour.</p><p id="par0055" class="elsevierStylePara elsevierViewall">The patient should be monitored clinically and radiologically against possible growth caused by unexpected histological aggressiveness.</p></span>" "pdfFichero" => "main.pdf" "tienePdf" => true "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as: Hernández-Montero E, Berrocal-Morales L, Mesa-Marrero M. Osificación distrófica bilateral del cartílago tiroides. Acta Otorrinolaringol Esp. 2016;67:e4–e5.</p>" ] ] "multimedia" => array:3 [ 0 => array:6 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 708 "Ancho" => 900 "Tamanyo" => 72944 ] ] ] 1 => array:6 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 939 "Ancho" => 900 "Tamanyo" => 97264 ] ] ] 2 => array:6 [ "identificador" => "fig3" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 805 "Ancho" => 900 "Tamanyo" => 84972 ] ] ] ] ] "idiomaDefecto" => "en" "url" => "/21735735/0000006700000001/v1_201602250045/S2173573516000041/v1_201602250045/en/main.assets" "Apartado" => array:4 [ "identificador" => "5869" "tipo" => "SECCION" "en" => array:2 [ "titulo" => "Images in otorhinolaryngology" "idiomaDefecto" => true ] "idiomaDefecto" => "en" ] "PDF" => "https://static.elsevier.es/multimedia/21735735/0000006700000001/v1_201602250045/S2173573516000041/v1_201602250045/en/main.pdf?idApp=UINPBA00004N&text.app=https://www.elsevier.es/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2173573516000041?idApp=UINPBA00004N" ]
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