Turkish Journal of Pathology

Türk Patoloji Dergisi

Turkish Journal of Pathology

Turkish Journal of Pathology

2008, Vol 24, Num, 1     (Pages: 050-053)

Low-grade leiomyosarcoma of renal vein: A case report

Nalan NEŞE 1, Demet K. ÇAVDAR 1, Bilal GÜMÜŞ 2, Aydın İŞİSAĞ 1

1 Celal Bayar University Faculty of Medicine, Department of Pathology, MANİSA
2 Celal Bayar University Faculty of Medicine, Department of Urology, MANİSA

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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.

Keywords : Renal vein, leiomyosarcoma, kidney