Korean J Gastroenterol.
2000 Mar;35(3):394-399.
A Case of Pancreatic Pseudoaneurysm with Aterio-venous Fistula in Acute Pancreatitis
Abstract
- We report a case of pancreatic pseudoaneurysm accompanying aterio-venous fistula in a patient with acute pancreatitis. Non-contrast-enhanced computed tomography showed a mass like lesion in the pancreatic head portion. Dynamic contrast-enhanced computed tomography showed a contrast- enhancing mass, aneurysmal dilatation of mesenteric vessels, venous obstruction due to thrombus and multiple collateral vessels. Angiography showed an aneurysmal dilatation of superior mesenteric artery (3.5x4 cm sized), abrupt cutoff of the contrast-filled vein due to the total obstruction of proximal portion of portal vein and superior mesenteric vein, and the partial obstruction of splenic vein. Dynamic computed tomography and angiography revealed a pseudoaneurysm with aterio- venous fistula from the superior mesenteric artery. Transcatheter embolization with steel microcoil failed to treat pseudoaneurysm. However, spontaneous improvement was observed in the subsequent dynamic computed tomography.
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