The efficiency of multiparametric magnetic resonance imaging (mpMRI) using PI-RADS Version 2 in the diagnosis of clinically significant prostate cancer

被引：70
作者：
Zhao, Chenglin [1 ]
Gao, Ge [1 ]
Fang, Dong [2 ]
Li, Feiyu [1 ]
Yang, Xuedong [1 ]
Wang, He [1 ]
He, Qun [2 ]
Wang, Xiaoying [1 ]
机构：
[1] Peking Univ, Hosp 1, Dept Radiol, 8 Xishiku St, Beijing 100034, Peoples R China
[2] Peking Univ, Natl Urol Canc Ctr, Inst Urol, Dept Urol,Hosp 1, Beijing, Peoples R China
来源：
CLINICAL IMAGING | 2016年 / 40卷 / 05期
关键词：
Diagnosis; Magnetic resonance imaging; Prostate cancer; Sensitivity; Specificity; FUSION-GUIDED BIOPSY; SCORING SYSTEM; MRI; ACCURACY;
D O I：
10.1016/j.clinimag.2016.04.010
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
Objectives: To investigate the efficiency of multiparametric MRI (mpMRI) based on Prostate Imaging Reporting and Data System (PI-RADS) Version 2 (v2) in detecting clinically significant prostate cancer (PCa) and to test the interobserver consistency. Methods: Based on PI-RADS v2, two radiologists reviewed the images of 372 patients who underwent prostate biopsy and prebiopsy mpMRI. Results: There's significant correlation between higher PI-RADS score and the presence of clinical significant PCa (P<.001). PI-RADS score 3 was the best cutoff point with sensitivity and specificity over 80%. The diagnostic concordance was moderate (kappa=0.478). Conclusions: PI-RADS v2 demonstrated good accuracy in detecting clinically significant PCa, however the interobserver consistency needs to be improved. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：885 / 888
页数：4
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