Which vessel is most likely to get affected in ulcer perforation involving 1st pa of duodenum?
Gastroduodenal aery is most likely to get affected in ulcer perforation of first pa of duodenum as it is closely associated with the posterior wall of the duodenum. Ref: Clinical Anatomy by Regions edited by Richard S. Snell - 2007, Page 298
IVC
Gastroduodenal aery
Superior mesenteric aery
Inferior pancreaticoduodenal aery