2003
DOI: 10.1590/s0004-27302003000500004
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Carcinoma medular de tireóide: da definição às bases moleculares

Abstract: RESUMOO carcinoma medular de tireóide (CMT) é um tumor maligno raro com origem nas células parafoliculares da tireóide, tendo como principal produto secretório a calcitonina. Representa 3 a 10% de todos os tumores tireoidianos e é responsável por um grande número de mortes em portadores de câncer de tireóide. Em 75-90% dos pacientes, o CMT ocorre de forma esporádica e, nos demais casos, é uma doença hereditária autossômica dominante com alto grau de penetrância e variabilidade de expressão, podendo fazer parte… Show more

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Cited by 7 publications
(7 citation statements)
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“…MTC occurs in the sporadic form in 80% of cases, with the remaining 20% caused by an autosomal dominant genetic disorder associated with mutations in the RET gene ( 3 ). The distinction between these forms is of particular clinical relevance due to differences in prognosis and the need for family screening, genetic counseling, and follow-up for hereditary forms ( 4 ).…”
Section: Introductionmentioning
confidence: 99%
“…MTC occurs in the sporadic form in 80% of cases, with the remaining 20% caused by an autosomal dominant genetic disorder associated with mutations in the RET gene ( 3 ). The distinction between these forms is of particular clinical relevance due to differences in prognosis and the need for family screening, genetic counseling, and follow-up for hereditary forms ( 4 ).…”
Section: Introductionmentioning
confidence: 99%
“…As investigações consistem em fazer um levantamento da história da família quanto ao aparecimento da doença, com encaminhamento dos indivíduos sob risco de desenvolvimento de CMT ao rastreamento por meio do teste bioquímico com radioimunoensaio da calcitonina sérica basal e pós--estímulo, exame imuno-histológico e diagnóstico por imagem 10 .…”
Section: I S C U S S ã Ounclassified
“…1,3,6,8,13,23 Thyroid cancer is a relatively rare event comprising 0.6% and 1.6% of all carcinomas affecting men and women, respectively. 24 Medullary thyroid carcinoma comprises 10% of all thyroid cancers, presenting as sporadic (75%) or inherited (25%) forms. Multiple endocrine neoplasia type 2 has an estimated prevalence of 1 in 30,000 individuals, and more than 90% of RET carriers will develop MTC.…”
Section: Molecular Medicinementioning
confidence: 99%