Primary primitive neuroectodermal tumor of the bladder: A case report

Authors

  • Bahattin Erdogan
  • Kismet Civi Cetin

DOI:

https://doi.org/10.32677/ijcr.v10i12.4777

Keywords:

Primitive neuroectodermal tumor, Urinary bladder, Ewing sarcoma

Abstract

A primitive neuroectodermal tumor (PNET) is part of the Ewing sarcoma family of tumors. PNET of the urinary bladder is extremely rare. In this paper, we describe the case of a 42-year-old man with a PNET of the bladder. He presented with dysuria and microscopic hematuria. Pelvic computed tomography showed a mass in the urinary bladder. He had undergone transurethral resection of the tumor. Histology of tumor biopsies showed a highly cellular, focally necrotic small round-cell tumor with numerous mitoses and occasional rosette-like structures. Strong CD99 and vimentin expression and focal reactivity to CD117 (c-kit) were observed in tumor cells. The patient did not accept surgery and chemotherapy. He is alive and well with no evidence of disease 4 years after the surgery.

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Published

2024-11-04

Issue

Section

Case Report

How to Cite

Primary primitive neuroectodermal tumor of the bladder: A case report. (2024). Indian Journal of Case Reports, 10(12). https://doi.org/10.32677/ijcr.v10i12.4777

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