Andrew Watson

Visceral artery pseudoaneurysms include aneurysms of the celiac, superior, or inferior mesenteric arteries and their branches. Pseudoaneurysms have a high risk of rupture with life threatening consequences…

Lesions of ampulla of Vater can be treated by endoscopic ampullectomy which can obviate the need for surgery. Data regarding effectiveness for endoscopic ampullectomy especially for larger lesions is lacking…

Ampullary adenoma removal via endoscopic ampullectomy can be challenging especially if it extends into the common bile duct or pancreatic duct…