Korean J Urol Oncol.  2016 Apr;14(1):43-46. 10.0000/kjuo.2016.14.1.43.

Extra-gastrointestinal Stromal Tumor on the Inner Urinary Bladder Wall

Affiliations
  • 1Department of Urology, School of Medicine, Kyungpook National University, Daegu, Korea. urologistk@knu.ac.kr
  • 2Department of Urology, School of Medicine, Dongguk University, Gyeongju, Korea.
  • 3Department of Pathology, Yeungnam University Hospital, Daegu, Korea.
  • 4Department of Pathology, School of Medicine, Kyungpook National University, Daegu, Korea.

Abstract

A gastrointestinal stromal tumor is the most common mesenchymal tumor of the gastrointestinal tract, and is diagnosed on the basis of the combined expression of CD34 and CD117 (C-kit protein). An extragastrointestinal stromal tumor of the urinary bladder is a very rare neoplasm. In this report, we describe a case of an extragastrointestinal stromal tumor originating from the inner surface of the urinary bladder. A 46-year-old man presented with an incident bladder mass, and he was diagnosed with an extragastrointestinal stromal tumor after transurethral resection of the bladder tumor. A tumor on the inner urinary bladder wall is an unusual presentation of an extragastrointestinal stromal tumor. The patient is doing well with no recurrence at 18 months after surgery.

Keyword

Gastrointestinal stromal tumors; Urinary bladder

MeSH Terms

Gastrointestinal Stromal Tumors
Gastrointestinal Tract
Humans
Middle Aged
Recurrence
Urinary Bladder Neoplasms
Urinary Bladder*
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