Fig. 1From: Presence of periaortic gas in Clostridium septicum-infected aortic aneurysm aids in early diagnosis: a case report and systematic review of the literature a Axial view, and b coronal view contrast-enhanced computed tomography scan images showing an aneurysm with periaortic gas (the area immediately outside the gas-filled region is the tunica adventitia of the aorta; shown by arrowheads)Back to article page