Genetic Disorder Reference Sheet: Multiple Endocrine Neoplasia Type 1

Multiple endocrine neoplasia type 1 (MEN1) is a rare autosomal dominant genetic disease affecting about 1 in 30,000 people. Pathogenic variants in the MEN1 gene are associated with benign and malignant tumors in the parathyroid glands, pituitary gland, pancreas, duodenum, and stomach.