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Solitary fibrous tumor of the urinary bladder

Authors
 Young Deuk Choi  ;  Nam Hoon Cho  ;  Kyung Bin Cha  ;  Se Hoon Kim 
Citation
 YONSEI MEDICAL JOURNAL, Vol.45(3) : 573-576, 2004 
Journal Title
YONSEI MEDICAL JOURNAL
ISSN
 0513-5796 
Issue Date
2004
MeSH
Humans ; Male ; Middle Aged ; Neoplasms, Fibrous Tissue/pathology* ; Tomography, X-Ray Computed ; Urinary Bladder Neoplasms/pathology*
Keywords
Solitary fibrous tumor ; urinary bladder
Abstract
Solitary fibrous tumor (SFT) is a distinct spindle cell tumor arising mainly in the pleura, however, SFT of extra-pleural sites had been reported. To our knowledge, five cases of the urinary bladder SFT had been reported. We have recently experienced a case of SFT of the urinary bladder in a 56-year-old man who was admitted to the hospital with a 4-month history of voiding difficulty, frequency, and residual urine sensation. A computerized tomography scan revealed a 12cm sized intravesical mass. The mass was marginally excised under the impression of it being a benign spindle cell tumor by pre-operative needle biopsy. On gross examination, the mass was multinodular, creamy white, and the cut surface was fibrotic with a rubbery consistency. Microscopic examination revealed haphazardly arranged spindle cells with a lace-like deposition of inter- and pericellular collagen. Areas of increased cellularity show nuclear atypia and occasional mitoses (2-3/10HPF). The immunohistochemical staining revealed an intense CD34 and bcl-2 immunoreactivity. Although the exact biologic behavior of these tumors has not been clarified, most of the reported cases have undergone a benign clinical course.
Files in This Item:
T200401335.pdf Download
DOI
10.3349/ymj.2004.45.3.573
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Se Hoon(김세훈) ORCID logo https://orcid.org/0000-0001-7516-7372
Cho, Nam Hoon(조남훈) ORCID logo https://orcid.org/0000-0002-0045-6441
Choi, Young Deuk(최영득) ORCID logo https://orcid.org/0000-0002-8545-5797
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/112551
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