Is dynamic contrast enhancement still necessary in multiparametric magnetic resonance for diagnosis of prostate cancer: a systematic review and meta-analysis
Open Access
- 1 April 2020
- journal article
- review article
- Published by AME Publishing Company in Translational Andrology and Urology
- Vol. 9 (2), 553-573
- https://doi.org/10.21037/tau.2020.02.03
Abstract
Background: The purpose of this study is to systematically review the literatures assessing the value of dynamic contrast enhancement (DCE) in the multiparametric magnetic resonance imaging (mpMRI) for the diagnosis of prostate cancer (PCa). Methods: We searched Embase, PubMed and Web of science until January 2019 to extract articles exploring the possibilities whether the pre-biopsy biparametric magnetic resonance imaging (bpMRI) can replace the position of mpMRI in the diagnosis of PCa. The sensitivity and specificity of bpMRI were all included. The study quality was assessed by QUADAS-2. Bivariate random effects meta-analyses and a hierarchical summary receiver operating characteristic plot were performed for further study through Revman 5 and Stata12. Results: After searching, we acquired 752 articles among which 45 studies with 5,217 participants were eligible for inclusion. The positive likelihood ratio for the detection of PCa was 2.40 (95% CI: 1.50-3.80) and the negative likelihood ratio was 0.31 (95% CI: 0.18-0.53). The sensitivity and specificity were 0.77 (95% CI: 0.73-0.81) and 0.81 (95% CI: 0.76-0.85) respectively. Based on our result, pooled specificity demonstrated little difference between bpMRI and mpMRI [bpMRI, 0.81 (95% CI, 0.76-0.85); mpMRI, 0.82 (95% CI, 0.72-0.88); P=0.169]. The sensitivity, however, indicated a significant difference between these two groups [bpMRI, 0.77 (95% CI, 0.73-0.81); mpMRI, 0.84 (95% CI, 0.78-0.89); P=0.001]. Conclusions: bpMRI with high b-value is a sensitive tool for diagnosing PCa. Consistent results were found in multiple subgroup analysis.Keywords
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