Abstract
A 78-year-old man with hypertension, nephrosclerosis, and angina pectoris visited his family doctor with a history of fatigue and leg edema. He had a history of percutaneous coronary intervention 5 years prior, and was taking low-dose aspirin. Blood tests revealed hypoalbuminemia, gastrointestinal 99mTc-HSA scintigraphy was positive, and alpha-1 antitrypsin clearance was high;therefore, the hypoalbuminemia was thought to be secondary to a protein-losing enteropathy. A small bowel series revealed multiple, ring-shaped, longitudinal ulcers in the ileum. Balloon-assisted enteroscopy from the anus showed severe stenosis with an ileal ulcer. Since we were not able to diagnose the ulcers, mesalazine and supplemental nutritional care were provided. Four years after the hypoalbuminemia had been diagnosed, the patient died because of pulmonary congestion secondary to renal failure. An autopsy revealed severe atherosclerosis in his aorta and multiple cholesterol embolisms in his small intestine, kidney, stomach, colon, liver, and spleen. The multiple ulcers in the small intestine were thought to be caused by cholesterol crystal embolism, which should be considered in the differential diagnosis of small intestinal ulcers in elderly men or patients after cardiovascular intervention.
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