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• Prostate Papers •
The correlation between multi-parametric MRI of prostate imaging reporting and data system score and transrectal ultrasound guided needle biopsy
LI Ba-sen  WANG Liang  DENG Ming  MIN Xiang-de  CAI Jie  FENG Zhaoyan  KE Zan  WANG Guo-ping 

DOI:10.12015/issn.1674-8034.2016.05.001.


[Abstract] Objective: To explore the correlation between prostate imaging reporting and data system score version 2 (PI-RADS V2) on multi-parametric MRI and transrectal ultrasound (TRUS) guided prostate biopsy.Materials and Methods: A retrospective analysis of multi-parametric MRI (Mp-MRI) was performed in 128 patients with pathologically proven prostate diseases including prostate cancer (n=75), benign prostatic hyperplasia (n=48) and prostatitis (n=5). All the patients underwent 3.0 T Mp-MR imaging and subsequently TRUS guided prostate biopsy. Two readers independently assessed T2WI, DWI, DCE for each examination by using the PI-RADS V2 score, blinded to the indication for the MR imaging. The location of one specific lesion per case was denoted. Spearman correlation analysis was used to compare differences between PI-RADS V2 score and pathological findings. ROC curve analysis was performed to determine sensitivity, specificity and accuracy.Results: PI-RADS V2 score showed a significant positive correlation with needle biopsy (Spearman's coefficient 0.887, P<0.01). PI-RADS V2 had an accuracy of 94.51%, a PPV of 97.22%, and a NPV of 91.07%. Sensitivity was 93.33%, and specificity was 96.23%.Conclusion: The study demonstrates the value of PI-RADS V2 to improve detection and risk stratification in patients with suspected cancer in treatment of prostate glands diseases.
[Keywords] Prostatic neoplasms；Magnetic resonance imaging；Pathology

LI Ba-sen Department of Radiology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China

WANG Liang* Department of Radiology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China

DENG Ming Department of Radiology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China

MIN Xiang-de Department of Radiology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China

CAI Jie Department of Radiology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China

FENG Zhaoyan Department of Radiology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China

KE Zan Department of Radiology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China

WANG Guo-ping Department of Pathology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China

*Correspondence to: Wang L, E-mail: wang6@tjh.tjmu.edu.cn

Conflicts of interest   None.

ACKNOWLEDGMENTS  This study was supported by Grants the National Natural Science Foundation of China No. 81171307
Received  2016-01-28
Accepted  2016-02-26
DOI: 10.12015/issn.1674-8034.2016.05.001
DOI:10.12015/issn.1674-8034.2016.05.001.

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