Predictive values of urinary bladder tumor markers survivin and soluble-Fas comparison with cystoscopy and bladder tumor antigen
Ganas V, Kalaitzis C, Sountoulides P, Giannakopoulos S, Touloupidis S. Minerva Urol Nefrol. 2012 Dec;64(4):279-85.

Source

Department of Urology, Elpis Hospital, Athens, Greece - chkalaitzis@hotmail.com.

Abstract

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.