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Gastroduodenal Artery Pseudoaneurysm Secondary to Pancreatic Head Biopsy

Pseudoaneurysms of the gastroduodenal artery are rare. 1 They are usually postoperative or postprocedure complications or secondary to pancreatitis. Abdominal pain and gastrointestinal bleeding are the most common symptoms. Once diagnosed, pseudoaneurysms require immediate treatment because they have a potential to rupture, which is associated with a high rate of mortality. Transcatheter selective embolotherapy is the procedure of choice for this clinical entity. We report the case of an 80-year-old woman in whom a visceral artery pseudoaneurysm developed secondary to a percutaneous pancreatic head biopsy. Computed tomography (CT) and sonography provided the initial diagnosis for a pseudoaneurysm of the gastroduodenal artery, which was confirmed by celiac arteriography and successfully treated by arterial embolization. We discuss the pathogenesis, diagnosis, and treatment of visceral pseudoaneurysms.