A spontaneously ruptured primitive neuroectodermal tumor/extraosseous Ewing's sarcoma of the kidney with renal vein tumor thrombus

Athens Medical Center, Athínai, Attica, Greece
International Urology and Nephrology (Impact Factor: 1.29). 02/2007; 39(2):393-5. DOI: 10.1007/s11255-006-9073-x
Source: PubMed

ABSTRACT Primitive neuroectodermal tumor/extraosseous Ewing's sarcoma (PNET/EES) is a childhood disease rarely seen in adults. It is a soft tissue tumor, which is often observed in the paraspinal region and lower extremity. We report the case of a 32-year-old man who presented with sudden abdominal pain on the right upper quadrant that was radiated to the right flank. During the operation, a spontaneously ruptured right kidney mass was found. The histopathologic and immunohistochemical characteristics of the excised mass were consistent with PNET/EES. This is the first known reported case of spontaneously ruptured PNET/EES of the kidney with renal vein tumor thrombus. The clinical details and the management of this case are described.

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