THE SPONTANEOUS rupture of an iliac artery aneurysm into the underlying iliac vein or vena cava is a rare event. The formation of such an arteriovenous fistula should be seen clinically with findings similar to those encountered after rupture of an abdominal aortic aneurysm into the inferior vena cava. A patient with a unique clinical picture resembling that of an aortocaval fistula but in fact suffering from spontaneous rupture of a saccular right common iliac artery aneurysm into the iliac vein is described herein.
Report of a Case
An 80-year-old man was admitted to Baptist Medical Center, Kansas City, Mo, on Jan 18, 1982, complaining of sudden onset of nausea, abdominal pain, and dizziness three hours earlier during lunch. Two weeks earlier, he had been treated for a dislocated left shoulder after falling on ice. In March 1976, a left hemicolectomy had been performed for Duke's stage B adenocarcinoma of
Richards DD. Spontaneous Fistula Between a Right Common Iliac Artery Aneurysm and Iliac Vein. JAMA. 1984;251(9):1189–1190. doi:10.1001/jama.1984.03340330047022
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