Abstract
A sixty-three-year-old man was admitted with systemic sepsis, but he was in a hemody namically stable situation and found to have a contained rupture of an infrarenal aortic aneurysm, which was infected with Salmonella enteritidis. An abdominal plain film revealed a gas shadow forming a ring in the midabdomen. Computed tomography (CT) showed a contained rupture of an infrarenal aortic aneurysm with a gas formation in the retroperitoneum. An emergent extra-anatomic bypass from the ascending aorta to (continued on next page) (Abstract continued) the femoral arteries was performed. The retroperitoneal phlegmon and hematoma that contained a large pseudoaneurysm were removed through a separate incision. A CT obtained after surgery showed gas-containing fluid collections in the retroperitoneum and these were followed up by means of CT. Eight months after surgery, the fluid collec tions had resolved. Aggressive surgical treatment and antibiotic therapy have resulted in a successful outcome.
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