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Case of primitive neuroectodermal tumor of the kidney


, : Case of primitive neuroectodermal tumor of the kidney. Nihon Hinyokika Gakkai Zasshi. Japanese Journal of Urology 99(3): 560-564

A 28-year-old woman presented with right flank pain. A large, firm, fixed mass was palpable in the right side of the abdomen. Computed tomography revealed a solid mass of the right kidney with extension into the renal vein and inferior vena cava. The patient underwent right radical nephrectomy with en bloc resection of the inferior vena cava containing tumor thrombus and right adrenalectomy. Histologically the tumor consisted of small tumor cells with rosette formation. Immunohistochemical staining was positive for CD99 and NSE. Analysis with polymerase chain reaction (PCR) demonstrated the EWS/FLI1 fusion products resulting from a chromosomal translocation. These findings were consistent with primary renal primitive neuroectodermal tumor (PNET). Two months after surgery, multiple lung, liver and lymph node metastases were found. The patient received 2 cycles of chemotherapy with cisplatin, ifosfamide, etoposide, resulting in a partial remission. She subsequently received 1 cycle chemotherapy with paclitaxel and carboplatin, resulting in no response. The metastatic lung and liver diseases progressed and she died 5 months after diagnosis.

US$29.90

PMID: 18404886


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