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Primary leiomyosarcoma kidney – A rare entity with a diagnostic challenge

1 Department of Pathology, Maulana Azad Medical College, Lok Nayak Hospital, New Delhi, India
2 Department of Surgery, Maulana Azad Medical College, Lok Nayak Hospital, New Delhi, India

Correspondence Address:
Shramana Mandal,
Department of Pathology, Maulana Azad Medical College, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcrt.JCRT_107_19

Primary leiomyosarcoma kidney is a rare tumor with an aggressive nature. Leiomyosarcoma is one of the common histologic types of the sarcomas, comprising 60% of all sarcomas. Sarcomatoid renal cell carcinoma is a close differential of renal leiomyosarcoma as both tumors have spindle-shaped cells. The former has a more pleomorphic character with nuclear grade four, which can be differentiated on the basis of immunohistochemistry. Hence, the diagnosis of primary renal leiomyosarcoma poses a diagnostic challenge. One such case of renal leiomyosarcoma in a 45-year-old male is being discussed here.

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