Case Reports in Endocrinology / 2021 / Article / Tab 2

Case Report

Bilateral Lipoadenoma of the Adrenal Glands and Humeral Brown Tumor: An Unusual Association

Table 2

Clinical manifestations of MEN1 syndrome.

Clinical manifestationsPrevalence (%)

Hyperparathyroidism90
Neuroendocrine tumors of the duodenum and pancreasNonfunctioning: 55
Gastrinoma: 40
Insulinoma 10
Glucagonoma <1
VIPoma <1
Pituitary adenomas40
Adrenocortical tumors20–40
Pheochromocytomas<1
Neuroendocrine thymic tumors2
Bronchopulmonary neuroendocrine tumors5
Angiofibromas85
Collagenomas70
Lipomas30
Other tumors
 Meningioma8
 Ependymoma, melanoma, thyroid0–25

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