title: Renal cell carcinoma presenting as skeletal muscle mass.
abstract: Solitary muscle tumor, representing the first manifestation of metastatic renal cell carcinoma, is rare. A case report of a tumor mass in the left posteromedial arm, which proved to be metastatic from the right kidney, is presented. The incidence of this condition among patients presenting as a soft tissue sarcoma may be about 1%.
mesh_terms: D000368:Aged; D001132:Arm; D002292:Carcinoma, Renal Cell / Q000000981:diagnostic imaging / Q000556:secondary* / Q000601:surgery; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery; D008297:Male; D011859:Radiography; D012983:Soft Tissue Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary* / Q000601:surgery