A 51-year-old male presented with sudden onset lower abdominal pain followed by weakness of both legs. Examination revealed blood pressure of 220/130 mmHg, with a grade 2/6 systolic murmur audible at the apex of the heart, and absence of both femoral arterial pulses. Two-dimensional and transesophageal echocardiography showed no evidence of intracardiac tumor or dissection of the ascending and thoracic aorta. Moreover, an aortogram demonstrated total occlusion of the abdominal aorta just below

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... he renal arteries. A myxomatous-like material occupying the abdominal aorta just above the bifurcation of the common iliac arteries was discovered during surgery. Histologic examination of the embolic material confirmed the diagnosis of myxomatous embolus. One year after the embolic episode, the patient was well and two-dimensional and transesophageal echocardiography revealed no evidence of residual intracardiac tumor. (Jpn Heart J 2004; 45: 359-363)