Dieulafoy lesion

Last reviewed 01/2018

This is a ruptured ectatic submucosal artery.

The abnormal vessel is generally located in the stomach (1)

This lesion is an uncommon cause of a massive upper gastrointestinal bleed.

Dieulafoy lesions typically rebleed and require surgical treatment.


  • Crotty B (1994). Haematemesis and melaena. Medicine International, 22(6), 231-5.