Where is the gastrinoma triangle? What percentage of tumors occur in this area?
The apex of the gastrinoma triangle is at the cystic duct–common bile duct junction, and the triangle is bounded by the border of the second and third portions of the duodenum and the junction of the neck and body of the pancreas ( Figure 74-7 ). Approximately 60% to 75% of gastrinomas are found within this triangle
