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A Journal on Nephrology and Urology

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Minerva Urologica e Nefrologica 2012 December;64(4):279-85

language: English

Predictive values of urinary bladder tumor markers survivin and soluble-Fas comparison with cystoscopy and bladder tumor antigen

Ganas V. 1, Kalaitzis C. 2, Sountoulides P. 3, Giannakopoulos S. 2, Touloupidis S. 2

1 Department of Urology, Elpis Hospital, Athens, Greece;
2 Department of Urology, University of Thrace, Alexandroupolis, Greece;
3 Department of Urology, General Hospital of Veria, Thessaloniki, Greece


AIM: The aim of the study was to evaluate the predictive values of two novel urinary markers for bladder cancer: survivin and soluble-Fas (s-Fas).
METHODS: The study included 84 individuals divided in two groups. The first group contained 47 patients, who underwent transurethral bladder tumor resection and the second, control, group 20 patients with non-malignant conditions, who underwent cystoscopy and 17 health volunteers. Fresh, second morning voided urine was collected for measurement of s-Fas, survivin, BTA and for cytology. Sensitivity, specificity, positive and negative predictive values and accuracy were calculated.
RESULTS: Bladder tumor patients had significantly higher survivin urine levels in comparison to the controls. Survivin correlated also with the tumor stage. Combination of survivin with BTA had a sensitivity of 86.4% but still lower than that of cystoscopy (97.8%). Only the specificity of the combination between survivin and BTA was higher than that of cystoscopy (86.4% and 75.6%, respectively).
CONCLUSION: Survivin was a better marker for tumor detection than s-Fas and was better enough to discriminate cancer stage. Combination of survivin and BTA had a specificity of 86.4% to exclude bladder malignancy and the combination of s-Fas with survivin and BTA had a sensitivity of 93.6% to detect bladder cancer.

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