نتایج جستجو برای: men2b
تعداد نتایج: 80 فیلتر نتایج به سال:
Thyroid cancer is frequently associated with the oncogenic conversion of the RET receptor tyrosine kinase. RET gene rearrangements, which lead to the generation of chimeric RET/papillary thyroid carcinoma (PTC) oncogenes, occur in PTC, whereas RET point mutations occur in familial multiple endocrine neoplasia type 2 (MEN2) and sporadic medullary thyroid carcinomas (MTC). We showed previously th...
CONTEXT Medullary and papillary thyroid carcinoma (MTC and PTC) are two types of thyroid cancer that can originate from activating mutations or rearrangements in the RET gene. Therapeutic options are limited in recurrent disease, but because RET is a tyrosine kinase (TK) receptor involved in cellular growth and proliferation, treatment with a TK inhibitor might be promising. Several TK inhibito...
Multiple endocrine neoplasia type 2 (MEN2) syndromes are inherited in an autosomal dominant fashion with high penetrance. There are three subtypes, namely, MEN2A (multiple endocrine neoplasia type 2A), MEN2B (multiple endocrine neoplasia type 2B), and familial medullary thyroid carcinoma. The variations in the RET gene play an important role in the MEN2 syndromes. In this work, we have develope...
مقدمه: سرطان تیرویید شایع ترین بدخیمی سیستم غدد درون ریز است که به چهار نوع پاپیلاری، فولیکولار، مدولاری و آناپلاستیک تقسیم میگردد. سرطان مدولاری تیرویید (mtc) از بدخیم ترین انواع سرطان تیرویید است و تا 10 درصد کـل انواع این بیماری را شامل میشود. الگوی توارث mtc به صورت اتوزوم غالب است و رخــداد جهش های افـزایش عملکــرد پروتوآنکــوژن ret در ایجاد آن به خوبــی شنــاخته شــده است. mtc به دو صور...
Introduction: MEN 2B syndrome is distinguished by the occurrence of medullary thyroid cancer, pheochromocytoma, mucosal neuromas, marfanoid features, and skeletal anomalies, including kyphoscoliosis, joint laxity, pes cavus, and, in a smaller number cases, slipped capital femoral epiphysis (SCFE).
 Case report: We describe case report 15-years-old patient with diagnosis MEN2B rare manifest...
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