The Japanese Journal of Urology
Online ISSN : 1884-7110
Print ISSN : 0021-5287
ISSN-L : 0021-5287
INFLAMMATORY PSEUDOTUMOR OF THE KIDNEY
REPORT OF A CASE
Hideaki IwakiYoichiro KajitaYosuke ShimizuTamio Yamauchi
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2001 Volume 92 Issue 5 Pages 589-592

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Abstract

We report a case of inflammatory pseudotumor of the kidney. A 73-year-old man presenting with general malaise and minimal grade fever visited a medical department in our hospital. Computerized tomography incidentally revealed a tumor, 3.5cm in diameter, in the lower pole of the left kidney, and he was referred to our outpatient department. Selective left renal arteriography disclosed an avascular mass on the affected site. Left redical nephrectomy was performed under the diagnosis of avascular renal cell carcinoma. Histological examination demonstrated a tumor composed of spindle-shaped fibroblastic cells infiltrated by variable numbers of plasma cells, small lymphocytes and histiocytes. The pathologic diagnosis was renal inflammatory pseudotumor. Fourteen previously reported cases of this tumor have reviewed in the literature.

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