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  • Title: Primary aortoenteric fistula: computed tomographic diagnosis of an atypical presentation.
    Author: Lee JT, Saroyan RM, Belzberg G, Pianim NA, Bongard FS.
    Journal: Ann Vasc Surg; 2001 Mar; 15(2):251-4. PubMed ID: 11265093.
    Abstract:
    A primary aortoenteric fistula is a potentially devastating complication of untreated aortic aneurysmal disease. The clinical presentation can be confusing, leading to a delay in diagnosis. Computed tomography (CT) can greatly assist in establishing the diagnosis. An unusual case of a primary aortoenteric fistula with an atypical presentation is described. The patient presented with symptoms indicating an exacerbation of recurrent nephrolithiasis. No clinical history of an abdominal aortic aneurysm or previous history of gastrointestinal hemorrhage was reported. A CT scan demonstrated extravasation of arterial contrast into the duodenum. The aorta was repaired with an in-line prosthetic graft. A review of the literature regarding this rare entity and surgical options are presented.
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