Non-classical manifestation of multiple endocrine neoplasia type 1

Abstract

Multiple endocrine neoplasia type 1 (MEN-1) is the orphan disease caused by the metachronous tumors of endocrine and non–endocrine organs. The first most frequent feature of the syndrome is primary hyperparathyroidism, however, manifestation from other components is also possible. Different medical specialists should know about this pathology because its clinical course is often varied.This clinical case of non-classical manifestation of MEN-1 demonstrates the difficulties of diagnostics, comprehensive examination and treatment of the main components of the syndrome. Timely laboratory, instrumental and genetic diagnostics plays an important role in the prevention of complications, improving the quality of life and prognosis of patients.