Value Of Three-Section Contrast-Enhanced Transrectal Ultrasonography In The Detection Of Prostate Cancer
JOURNAL OF CLINICAL ULTRASOUND(2017)
Abstract
Background. To assess the efficacy of three-section contrast-enhanced transrectal ultrasonography (CETRUS) in prostate cancer (PCa) detection.Methods. A total of 169 consecutive patients with either PSA level >= 4 ng/ml or abnormal digital rectal examination findings were prospectively enrolled in this single center study. All patients underwent baseline transrectal ultrasonography (TRUS) and three-section CETRUS by one investigator blinded to any clinical data before TRUS-guided transperineal biopsy. The performances of baseline TRUS, single-section, and three-section CETRUS for PCa detection were compared.Results. On a per-patient basis, the sensitivity, specificity, and overall accuracy for detecting PCa with three-section CETRUS was 92.3%, 69.2%, and 78.1%, respectively. In comparison with conventional (single-section) CETRUS (sensitivity 75.4%, specificity 72.1%, and accuracy 73.4%), three-section CETRUS performed significantly better (p < 0.05, McNemar test). Additionally, the low-grade PCa detection rate for three-section CETRUS was significantly higher than that of conventional CETRUS (26.7% versus 10.2%, p < 0.05).Conclusions. Our study demonstrated a significant benefit of three-section CETRUS relative to conventional CETRUS, and this technique may find more PCa patients eligible for active surveillance. (C) 2017 Wiley Periodicals, Inc.
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Key words
prostate cancer,contrast-enhanced ultrasonography,biopsy,transrectal ultrasonography
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