MC site of gastrinoma:-: (A) Duodenum, (B) Pancreas, (C) Stomach, (D) Colon
Answer is A. Agastrinomais a gastrin-producing tumor usually located in the pancreas or the duodenal wall. Gastric acid hypersecretion and aggressive, refractory peptic ulceration result (Zollinger-Ellison syndrome).Diagnosisis by measuring serum gastrin levels. Treatment is proton pump inhibitors and surgical removal.