Atlas One · Host Biology · Scale 07 — System

MEN1 Syndrome

Multiple Endocrine Neoplasia type 1 (MEN1) is caused by germline MEN1 mutations; triad of parathyroid adenomas (>95%), pituitary adenomas (20-65%), and pancreatic NETs (30-80%); everolimus FDA-approved for pNETs; annual biochemical + MRI surveillance.

Also known as: MEN1 syndrome, multiple endocrine neoplasia type 1, Wermer syndrome, MEN type 1, MEN-1, hereditary pNET, parathyroid-pituitary-pancreas syndrome, MEN1 hereditary cancer

Scale 07 — SystemScale
draftStatus
2026-06-07Last Reviewed
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men1-syndrome

MEN1 Syndrome

Multiple Endocrine Neoplasia type 1 (MEN1) is caused by germline MEN1 mutations; triad of parathyroid adenomas (>95%), pituitary adenomas (20-65%), and pancreatic NETs (30-80%); everolimus FDA-approved for pNETs; annual biochemical + MRI surveillance.