黄色肉芽腫性腎孟腎炎を伴った気腫性腎孟腎炎の1例

概要

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A case of emphysematous pyelonephritis, xanthogranulomatous pyelonephritis histologically, is reported. A 49-year-old female patient was referred to our department from the department of internal medicine because abdominal ultrasonography demonstrated left renal swelling with gas echo. Computed tomographic scan showed much emphysema in the left kidney. Although aggressive treatment with broad spectrum antibiotics and immunoglobulin had been performed, subfever and left lumbago continued. Thereafter, she underwent left nephrectomy, and histological findings revealed xanthogranulomatous pyelonephritis. In the Japanese literature 27 cases of emphysematous pyelonephritis have been reported. Many cases are in middle-aged females and 85% of these cases complicated with diabetes mellitus. E. coli and Klebsiella was the main causative organism. The mortality of this disease was 26%. This report is the first case combined with xanthogranulomatous pyelonephritis in Japan. We recommend adequate chemotherapy and timely surgical treatment for good results.