Skeletal muscle metastasis from a conventional renal cell carcinoma, two years after nephrectomy: a case report.
In this paper, we describe a case of skeletal muscle metastasis from a conventional (clear cell) renal cell carcinoma, two years after nephrectomy. Our first clinical tentative diagnosis was soft tissue tumour, showing the mimicking capacity of renal cell carcinoma. A review of literature shows that skeletal muscle metastases from renal cell carcinoma are extremely rare: only 16 cases have been described. In 5/16, the muscle mass was the initial manifestation of the renal tumour. In the other 11/16, the muscle masses were metachronous (10 months-16 years). We conclude that, when confronted with a patient with a muscle mass and a history of renal cell carcinoma, one should always keep in mind the possibility of a (late) renal cell carcinoma metastasis.
Schatteman
P
P
Department of General Surgery, AZ Middelheim, Antwerp. peterazm@hotmail.com
Willemsen
P
P
Vanderveken
M
M
Lockefeer
F
F
Vandebroek
A
A
D000368:Aged; D002292:Carcinoma, Renal Cell / Q000175:diagnosis / Q000556:secondary*; D003937:Diagnosis, Differential; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D008297:Male; D019042:Muscle Neoplasms / Q000175:diagnosis / Q000556:secondary*; D018482:Muscle, Skeletal / Q000473:pathology; D009392:Nephrectomy; D012509:Sarcoma / Q000175:diagnosis; D013997:Time Factors