The tumor which is more commonly located in the tail of the pancreas is:: (A) Glucagonoma, (B) Somatostatinoma, (C) Gastrinoma, (D) Insulinoma
Answer is A. Glucagonomas are usually large tumors at diagnosis. 50-80% occur in the pancreatic tail. Insulinoma distributed equally in the head, body and tail. Gastrinoma is usually located at the gastrinoma triangle in the duodenum. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Pages 3065-67