[About a case of multiple endocrine neoplasia type 1. Review of some clinical manifestations and treatment controversies].

The rare hereditary syndrome, multiple endocrine neoplasia type1 (MEN-1), is known to predispose affected individuals to endocrine neoplasms in a variety of tissues such as the parathyroid glands, the pituitary gland and the gastrointestinal tract. We describe the case of a man with traditionally-described manifestations (hyperparathyroidism and gastrinoma) and with other tumoral lesions arising from endocrine cells (insulinoma, gastric carcinoid, adrenal adenoma and pancreatic non-functioning neuroendocrine tumors) and non-endocrine cells (lipoma and collagenoma). Frequent recurrences in susceptible tissues that are not totally removed (as occurs in hyperparathyroidism and duodenal gastrinoma) and their unknown clinical significance have aroused current controversies in the therapeutic management of these entities, which is briefly reviewed.