Which of the following endocrine tumors is most commonly seen in MEN I ?: (A) Insulinoma, (B) Gastrinoma, (C) Glucagonoma, (D) Somatotrophinoma
Answer is B. In MEN 1 : * Gastrinoma (>50%) * Insulinoma (10-30%) * Glucagonoma (<3%) * Somatotrophinoma (25%) Reference : page 2336 Harrison's Principles of Internal Medicine 19th edition