Multiple Endocrine Neoplasia Type 1 Follow-up
- Author: Thomas N Darling, MD, PhD; Chief Editor: Dirk M Elston, MD more...
Complications
- Endocrine tumors in multiple endocrine neoplasia type 1 (MEN1)
- Tumors may hypersecrete hormone, causing hypercalcemia and recurrent nephrolithiasis (hyperparathyroidism), Zollinger-Ellison syndrome (hypergastrinemia), hypoglycemia (hyperinsulinemia), amenorrhea (hyperprolactinemia), or acromegaly (excess growth hormone).
- Tumors of the pituitary gland may cause symptoms by mass effects.
- Pancreatic endocrine tumors, particularly gastrinomas, become malignant in about 50% of patients with MEN1. Untreated, patients may die from peptic ulcer disease, metastatic endocrine pancreatic carcinoma, or foregut carcinoid malignancy.
- Cutaneous tumors in MEN1: Angiofibromas, collagenomas, and lipomas do not typically cause symptoms, and they are mostly of cosmetic concern.
Patient Education
- For excellent patient education resources related to multiple endocrine neoplasia type 1 (MEN1), visit eMedicine's Endocrine System Center. Also, see eMedicine's patient education article Anatomy of the Endocrine System.
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