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J Urol. 2005 Sep;174(3):859-61; discussion 861.

Multivariate analysis of clinical parameters of synchronous primary superficial bladder cancer and upper urinary tract tumor.

Author information

1
Department of Urology, Fundació Puigvert, Universitat Autónoma de Barcelona, Barcelona and Hospital Universitario Puerto Real (FR-R), Cádiz, Spain. jpalou@fundacio-puigvert.es

Abstract

PURPOSE:

We determined the incidence and characteristic of synchronous upper urinary tract tumors (UUTTs) in patients with primary superficial bladder carcinoma and evaluated the characteristics of bladder tumors related to UUTTs.

MATERIALS AND METHODS:

We performed a retrospective study of 1,529 patients with primary superficial bladder carcinoma who underwent initial examination of the upper urinary tract with excretory urography. Data were analyzed by multivariate analysis using logistic regression. Variables evaluated and related to the incidence of UUTT were multiplicity, carcinoma in situ, bladder tumor size, localization of tumor in the bladder, and tumor grade and stage.

RESULTS:

A total of 28 patients (1.8%) had simultaneous bladder tumor and UUTT. UUTTs showed no preferred location and 17.9% were multiple. Of UUTTs 46% were invasive and almost 87% were grade 2 or 3. The only significant variable related to UUTT was bladder tumor in the trigone (RR 5.8, 95% IC 2.18 to 15.9, p <0.0005). Of 147 tumors located in the trigone 11 (7.5%) were associated with UUTT, corresponding to 41% of the UUTTs first diagnosed. If multiplicity and tumors in the trigone (551 cases) had been considered, 66.7% of tumors would have been diagnosed.

CONCLUSIONS:

Synchronous UUTT and superficial bladder tumor are uncommon but 46% are invasive. Considering the possible examination of the upper urinary tract only in patients with tumor in the trigone or with multiple bladder tumors 41.4% or 69% of UUTTs, respectively, would have been diagnosed. Patients with tumor in the trigone are at almost 6-fold higher risk for a synchronous tumor in the upper urinary tract.

[Indexed for MEDLINE]

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