Article
SOS1 frameshift mutations cause pure mucosal neuroma syndrome, a clinical phenotype distinct from multiple endocrine neoplasia type 2B.
Clinical endocrinology - 1 May 2016
Owens Martina, Kivuva Emma, Quinn Anthony, Brennan Paul, Caswell Richard, Lango Allen Hana, Vaidya Bijay, Ellard Sian
Abstract excerpt
BACKGROUND: Mucosal neuromas, thickened corneal nerves and marfanoid body habitus are characteristic phenotypic features of multiple endocrine neoplasia type 2B (MEN2B) and often provide an early clue to the diagnosis of the syndrome. Rarely, patients present with typical physical features of MEN2B but without associated endocrinopathies (medullary thyroid carcinoma or pheochromocytoma) or a RET gene mutation;...
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