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Oncol Lett. 2014 May;7(5):1507-1510. Epub 2014 Feb 28.

Postoperative spindle cell nodule of the bladder: A case report and review of the literature.

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  • 1Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China.


Postoperative spindle cell nodule (PSCN) of the bladder is a rare condition. It is a type of benign lesion frequently misdiagnosed as sarcomatoid carcinoma on the basis of similar cell morphology. The present report describes a tumor affecting a 71-year-old male who had undergone three transurethral resections. Pathological results suggested a diagnosis of sarcomatoid carcinoma, and therefore a radical cystectomy was performed. However, the tumor was later identified as a PSCN. In order to prevent such misdiagnosis, this study reviews relevant articles concerning postoperative spindle cell nodules of the bladder and compares PSCN and sarcomatoid carcinomas to identify specific characteristics of PSCN. Finally, the report emphasizes the importance of careful pathological examination in rare cases such as PSCN and sarcomatoid carcinoma.


bladder cancer; misdiagnosis; postoperative spindle cell nodule

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