Case 36-1974

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Abstract
Presentation of Case First admission. A 75-year-old man entered the hospital because of gastrointestinal bleeding.Seven days previously he passed a black stool, and two days later there was the onset of constipation, orthostatic weakness and dysphagia.He had undergone repeated genitourinary-tract surgical procedures because of benign prostatic hypertrophy, urethral stricture and right ureterovesical obstruction. He was known to have chronic mild azotemia. A biopsy of the kidney had disclosed acute and chronic pyelonephritis, with atherosclerotic emboli. Hypertension was known to have been present for five years and had been treated most recently with hydralazine. Four years before entry a . . .
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