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A comprehensive review on MEN2B.

A comprehensive review on MEN2B.
Author Information (click to view)

Castinetti F, Moley J, Mulligan L, Waguespack SG,


Castinetti F, Moley J, Mulligan L, Waguespack SG, (click to view)

Castinetti F, Moley J, Mulligan L, Waguespack SG,

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Endocrine-related cancer 2017 07 1125(2) T29-T39 doi 10.1530/ERC-17-0209

Abstract

MEN2B is a very rare autosomal dominant hereditary tumor syndrome associated with medullary thyroid carcinoma (MTC) in 100% cases, pheochromocytoma in 50% cases and multiple extra-endocrine features, many of which can be quite disabling. Only few data are available in the literature. The aim of this review is to try to give further insights into the natural history of the disease and to point out the missing evidence that would help clinicians optimize the management of such patients. MEN2B is mainly characterized by the early occurrence of MTC, which led the American Thyroid Association to recommend preventive thyroidectomy before the age of 1 year. However, as the majority of mutations are de novo, improved knowledge of the nonendocrine signs would help to lower the age of diagnosis and improve long-term outcomes. Future large-scale studies will be aimed at characterizing more in detail the main characteristics and outcomes of MEN2B.

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