Korean J Urol.  2003 May;44(5):499-502.

Primitive Neuroectodermal Tumor of the Kidney with CD99 Positive Staining

Affiliations
  • 1Department of Urology, Chonnam National University Medical School, Gwangju, Korea. sbryu@chonnam.ac.kr

Abstract

Primitive neuroectodermal tumors (PNETs) are primitive neuroblastic tumors that, unlike neuroblastomas, arise outside the autonomic nervous system, but very few cases with a renal origin have been described. The immunohistochemical staining for CD99 is useful in their diagnosis. A case of renal primitive neuroectodermal tumor, in a 61- year-old man presenting with a painless gross hematuria is reported. The immunohistochemical staining of the renal mass was strongly positive for CD99.

Keyword

Primitive neuroectodermal tumor (PNET); Immunohistochemistry; CD99; Kidney
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