Pseudoaneurysm of the Pancreaticoduodenal Artery Associated with Duodenal Diverticulitis.

Background: Duodenal diverticula tend to be asymptomatic; however, patients may develop duodenal diverticulitis.

Case Presentation: A 66-year-old Caucasian man presented to our emergency room with a two-day history of right-sided abdominal pain, chills, tachycardia, nausea, and emesis. His WBC, lactic acid, and bilirubin were elevated.