A radiation-related second primary gastrointestinal stromal tumor in the bladder

Abstract. A 69-year-old man underwent 78 Gy/39 Fr of intensity-modulated radiation therapy for prostate cancer. Seven years after radiotherapy, a nonpapillary bladder tumor was identified. Transurethral resection of the bladder tumor was performed, and the pathological diagnosis was spindle cell sar...

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Main Authors: Mai Hori, Kazuki Maki, Yumiko Okuno, Koji Mikami, Takumi Takeuchi
Format: Article
Language:English
Published: Wolters Kluwer Health 2023-12-01
Series:Current Urology
Online Access:http://journals.lww.com/10.1097/CU9.0000000000000186
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author Mai Hori
Kazuki Maki
Yumiko Okuno
Koji Mikami
Takumi Takeuchi
author_facet Mai Hori
Kazuki Maki
Yumiko Okuno
Koji Mikami
Takumi Takeuchi
author_sort Mai Hori
collection DOAJ
description Abstract. A 69-year-old man underwent 78 Gy/39 Fr of intensity-modulated radiation therapy for prostate cancer. Seven years after radiotherapy, a nonpapillary bladder tumor was identified. Transurethral resection of the bladder tumor was performed, and the pathological diagnosis was spindle cell sarcoma. Immunostaining revealed KIT−, DOG1++, CD34−, Actin++, Cytokeratin−, Desmin−, S100 protein−, and Vimentin++. No tumor recurrence was observed until 17 months after tumor resection. DOG1 is strongly and specifically expressed in gastrointestinal stromal tumors. This was a rare case of bladder gastrointestinal stromal tumor as a radiation-related second primary tumor.
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spelling doaj.art-c829e46b1f184f6f860dadab1434c1522023-11-28T07:08:48ZengWolters Kluwer HealthCurrent Urology1661-76492023-12-0117426827010.1097/CU9.0000000000000186202312000-00008A radiation-related second primary gastrointestinal stromal tumor in the bladderMai Hori0Kazuki Maki1Yumiko Okuno2Koji Mikami3Takumi Takeuchi4Department of Urology, Japan Organization of Occupational Health and Safety, Kanto Rosai Hospital, Kawasaki, JapanDepartment of Urology, Japan Organization of Occupational Health and Safety, Kanto Rosai Hospital, Kawasaki, JapanDepartment of Urology, Japan Organization of Occupational Health and Safety, Kanto Rosai Hospital, Kawasaki, JapanDepartment of Urology, Japan Organization of Occupational Health and Safety, Kanto Rosai Hospital, Kawasaki, JapanDepartment of Urology, Japan Organization of Occupational Health and Safety, Kanto Rosai Hospital, Kawasaki, JapanAbstract. A 69-year-old man underwent 78 Gy/39 Fr of intensity-modulated radiation therapy for prostate cancer. Seven years after radiotherapy, a nonpapillary bladder tumor was identified. Transurethral resection of the bladder tumor was performed, and the pathological diagnosis was spindle cell sarcoma. Immunostaining revealed KIT−, DOG1++, CD34−, Actin++, Cytokeratin−, Desmin−, S100 protein−, and Vimentin++. No tumor recurrence was observed until 17 months after tumor resection. DOG1 is strongly and specifically expressed in gastrointestinal stromal tumors. This was a rare case of bladder gastrointestinal stromal tumor as a radiation-related second primary tumor.http://journals.lww.com/10.1097/CU9.0000000000000186
spellingShingle Mai Hori
Kazuki Maki
Yumiko Okuno
Koji Mikami
Takumi Takeuchi
A radiation-related second primary gastrointestinal stromal tumor in the bladder
Current Urology
title A radiation-related second primary gastrointestinal stromal tumor in the bladder
title_full A radiation-related second primary gastrointestinal stromal tumor in the bladder
title_fullStr A radiation-related second primary gastrointestinal stromal tumor in the bladder
title_full_unstemmed A radiation-related second primary gastrointestinal stromal tumor in the bladder
title_short A radiation-related second primary gastrointestinal stromal tumor in the bladder
title_sort radiation related second primary gastrointestinal stromal tumor in the bladder
url http://journals.lww.com/10.1097/CU9.0000000000000186
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