Ameet Kumar Lalwani, Syed Muhammad Faiq, Jogindar Ahuja.
Solitary Fibrous Tumor of Kidney.
J Coll Physicians Surg Pak Jan ;28(7):564-5.

Solitary fibrous tumor of kidney is an unusual condition. It is spindle cell tumor with mesenchymal in origin so most commonly reported cases are in pleura, and extra-pleural sites are very rare. It is mostly benign in nature but malignant variant are also reported. Treatment is en bloc resection as in other sites whether pleural or extra-pleural. Prognosis is excellent. This tumor is difficult to diagnose only on imaging features; so for diagnosis, histopathology is needed mostly with immunohistochemical markers like CD34, CD99, Bcl2 proteins. A middle-aged male presented initially with clinical and radiological features, suspected of renal cell carcinoma. Surgery was performed, which proved solitary fibrous tumor on histopathology; and patient on follow-up remained tumor-free till the last follow-up.

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