Zollinger- Ellison syndrome is due to increased secretion of: (A) Gastrin, (B) Secretin, (C) VIP, (D) Cholecystokinin
Answer is A. Gastrinoma (Zollinger-Ellison syndrome) is a condition that includes:Fulminating ulcer diathesis in the stomach, duodenum or atypical sites; Recurrent ulceration despite 'adequate' therapy; and Non-beta islet cell tumours of the pancreas (gastrinoma)Ref: Bailey and Love 27e pg: 850