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Int J Urol. 2010 Aug;17(8):708-14. doi: 10.1111/j.1442-2042.2010.02571.x. Epub 2010 Jun 9.

Transurethral resection in one piece (TURBO) is an accurate tool for pathological staging of bladder tumor.

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  • 1Department of Urology, Hiroshima General Hospital of West Japan Railway Company, Hiroshima, Japan.



To demonstrate the usefulness of transurethral resection in one piece (TURBO) as an accurate pathological staging tool for bladder tumor.


Ninety-seven patients with newly diagnosed bladder cancer underwent TURBO that was performed either in an en bloc or in a divisional manner. The histological quality of the resection specimens was evaluated and the pathological stage was assigned on the basis of the depth of invasion, which was histologically determined.


Specimens obtained by TURBO were well oriented and their 3-D architecture was maintained. This allowed a histological assessment of the entire specimen. Portions of muscularis propria were identified beneath the tumor base in the specimens of 80 (82%) patients. In only seven (7%) patients, the tumors had a deep resection margin positive for carcinoma and were ambiguously staged as "pT1 or higher" or "pT2 or higher". Thus, definite pathological staging of TURBO specimens was possible in 90 (93%) patients (pTa, 30; pT1, 58; pT2, 2).


An accurate pathological stage can be assigned to the TURBO specimen in most bladder cancer patients.

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