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
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- 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.
- KMID: 2411179
- DOI: http://doi.org/10.0000/kjuo.2016.14.1.43
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.
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