The key difference between MEN1 and MEN2 is that MEN 1 (multiple endocrine neoplasia 1) is an inherited genetic disorder that causes tumours in the pituitary gland, parathyroid gland, and the pancreas, while MEN 2 (multiple endocrine neoplasia 2) is an inherited genetic disorder that causes tumours in the thyroid gland, parathyroid gland, or adrenal […]