gastrinoma triangle

The gastrinoma triangle, also known as Passaro's triangle, is an anatomical area in the abdomen, from where the majority (90%) of gastrinomas are thought to arise.

Gross anatomy

Boundaries

The triangle is formed by joining the following three points:

• superiorly: confluence of the cystic and common bile ducts  
• inferiorly: junction of the second and third portions of the duodenum
• medially: junction of the neck and body of the pancreas

History and etymology

Edward Peter Passaro (1930-2017) was an American GI surgeon, who described his eponymous triangle in 1984 .

Siehe auch:

• Gastrinom