Gastrinoma triangle

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

Gross anatomy


The triangle is formed by joining the following three points:

History and etymology

Edward Peter Passaro (1930-2017) was an American GI surgeon, who described his eponymous triangle in 1984 2.

Share article

Article information

rID: 19108
Section: Gamuts
Tag: stub, cases, refs
Synonyms or Alternate Spellings:
  • Passaro's triangle

Support Radiopaedia and see fewer ads

Updating… Please wait.

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.