Abstract
The multiple endocrine neoplasia type 1 (MEN1) is a genetic, autossomic and dominant disease and is correlated with the development of endocrine tumors affecting pituitary gland, parathyroid, endocrine pancreas or duodenum. It's mainly caused by a germinative mutation in tumor suppressor gene MEN1 (11q13). The tumorigenesis follow the Knudson's model (1971). Genetic diagnosis of families …