Departmental Bulletin Paper 腎原発孤立性線維性腫瘍の1例
Solitary Fibrous Tumor of the Kidney

池田, 勝臣  ,  坂田, 裕介  ,  立花, 貴史  ,  山下, 英之  ,  高嶋, 力弥  ,  原, 敦子  ,  森永, 正二郎  ,  入江, 啓

63 ( 11 )  , pp.471 - 474 , 2017-11-30 , 泌尿器科紀要刊行会
A 59-year-old woman was referred to our hospital with the finding of an incidentaloma in her right kidney. Computed tomographyand magnetic resonance imaging showed a solid tumor, approximately8 cm in diameter, at the lower pole of the right kidney. Partial nephrectomy was performed without a renal vessel clamp. Histopathologically, fibroblast-like spindle cells were proliferating with rich collagenous fibers, and tumor cells were infiltrated into the renal parenchyma. The tumor cells were stained positive with CD34, CD99, and bcl-2. The tumor was diagnosed as solitaryfibrous tumor originating from the kidney based on these histopathological findings. The patient was followed 3 years after surgery with neither recurrence nor metastasis.

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