Solitary Fibrous Tumor of the Kidney

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 v...

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Published inHinyokika kiyo. Acta urologica Japonica Vol. 63; no. 11; p. 471
Main Authors Ikeda, Masaomi, Sakata, Yusuke, Tachibana, Takashi, Yamashita, Hideyuki, Takashima, Rikiya, Hara, Atsuko, Morinaga, Shojiroh, Irie, Akira
Format Journal Article
LanguageJapanese
Published Japan 01.11.2017
Subjects
Hemangiopericytoma
Solitary fibrous tumor
Kidney
Renal tumor
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Summary: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.
ISSN:0018-1994
DOI:10.14989/ActaUrolJap_63_11_471