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2008, Volume 24, Number 1, Page(s) 050-053     
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Low-grade leiomyosarcoma of renal vein: A case report
Nalan NEŞE1, Demet K. ÇAVDAR1, Bilal GÜMÜŞ2, Aydın İŞİSAĞ1
1Celal Bayar University Faculty of Medicine, Department of Pathology, MANİSA
2Celal Bayar University Faculty of Medicine, Department of Urology, MANİSA
Keywords: Renal vein, leiomyosarcoma, kidney

Leiomyosarcomas originating from renal vein are quite rare malignant tumors since only 30 cases have been reported in the literature. Clinical symptoms which are due to a renal mass along with radiological findings, usually mislead to a preoperative diagnosis of renal cell carcinoma. The correct diagnosis is frequently made on nephrectomy specimens. Low-grade leiomyosarcomas need to be differentiated from leiomyomas. Increased mitotic activity and necrosis are known to be gold standards for differential diagnosis. In this report, we present a case of a 62 year old woman whose tumor in the left kidney diagnosed as low-grade leiomyosarcoma together with a brief review of the literature.

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