Taking into account the main MEN1-related manifestations, 42 patients (76%) had primary hyperparathyroidism, 23 (42%) pituitary adenoma, 33 (60%) pancreatic NETs, 2 (4%) thoracic NET and 7 (13%) adrenocortical tumour (Table1). The gene discussed is MEN1; the disease is primary hyperparathyroidism.