Urinary fibronectin as a predictor of a residual tumour load after transurethral resection of bladder transitional cell carcinoma
Abstract
To determine whether the level of urinary fibronectin predicts the residual tumour load after transurethral resection (TUR) of bladder transitional cell carcinoma (TCC). Urine samples were collected from 167 consecutive patients with suspected bladder cancer admitted for TUR. Samples were taken both before and after surgery. Bladder tumour fibronectin (BTF) was analysed using a solid-phase chemiluminescent immunometric test. Creatinine in urine was also determined and the BTF/creatinine ratio calculated. Patients were divided into a control group of 41 whose previous diagnosis was negative for BT and another of 126 with a positive diagnosis for BT, which was further subdivided into those with and without residual tumour, according to findings from specimens obtained during the second procedure (repeat TUR or cystectomy). After the second procedure, 68 patients (56%) had no residual tumour, whereas 54 (44%) did. Four patients with BT who did not have the second procedure were excluded from the study. The median BTF and BTF/creatinine value in the control group was 33.2 microg/L and 51.4 microg/g, respectively, before the first TUR, and 29.6 microg/L and 46.7 microg/g, respectively, after the first TUR. There were no statisticall...Continue Reading
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