原発性尿管線維脂肪腫の1例

概要

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A case of primary ureteral fibrolipoma is reported in this paper. The patient was a 50-year-old. Japanese male who was admitted to the Kitasato University Hospital in April 1974, complaining gross hematuria and right flank pain of two months' duration. Excretory and retrograde urography revealed a large mass in the right ureter at the level of lumbosacral joint. Right nephroureterectomy was performed and the surgical specimen revealed a long convoluted yellowish-white tumor mass, 6×1.5cm in size, with a small stalk in the lower third of the right ureter. Histological diagnosis of the mass was fibrolipoma. Tumors of non-epithelial origin are exceedingly rare except for ureteral polyps. The first case of primary ureteral fibrolipoma was reported by Cohn in 1932. No other cases have been reported so far to our best knowledge. Our case is believed to be the second in the literature.
社団法人日本泌尿器科学会の論文
1976-11-20