Medicine Disorders of Parathyroid Gland b5bcc80f What is the most common presentation of MEN1? A Entero-pancreatic tumour B Angio-fibroma C Pituitary adenoma D Parathyroid Adenoma High-Yield Explanation MEN 1 (11q13) Parathyroid adenoma 90% Entero-pancreatic tumour 30-70% Pituitary adenoma 15-50% Associated tumours Angiofibromas Collagenoma 85% 70%