Rj. Karnes et al., Primitive neuroectodermal tumor (extraskeletal Ewing's sarcoma) of the kidney with vena caval tumor thrombus, J UROL, 164(3), 2000, pp. 772-772
Primitive neuroectodermal tumor, also referred to as extraskeletal Ewing's
sarcoma, is highly aggressive and rarely arises in the kidney.(1) We presen
t a case of renal primitive neuroectodermal tumor with vena caval tumor thr
ombus.