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Evaluation of PI-RADS V2 in diagnosis of prostate cancer by using 3.0 T MR
LI Peng  HUANG Yun-hai  ZHANG Jin  JING Jing 

DOI:10.12015/issn.1674-8034.2018.10.011.


[Abstract] Objective: To explore the diagnostic value of prostate image report and data system version 2 (PI-RADS V2) score in the diagnosis of prostate cancer (Pca) by 3.0 T MRI and body coil.Materials and Methods: The mutli-parameter magnetic resonance imaging (Mp-MRI) and clinical data of 50 patients with Pca confirmed by pathology were retrospectively analyzed. The prostate was divided into 6 parts according to the cutting model. Two doctors evaluated the effective predefined partitions of the Mp-MRI prostate images, compared the scores of each partition with the corresponding pathological results of the subarea, analyzed the uniformity and diagnostic results. The sensitivity, specificity, accuracy, positive predictive value and negative predictive value were evaluated.Results: 50 cases were divided into 300 prostatic central glandular regions, of which 238 were effectively predefined, the results were consistent well. The results showed that when the PI-RADS V2 score was 4, the diagnostic accuracy was 79.2%, the sensitivity was 70.4%, and the specificity was 83.8%. Routine reading results: the accuracy was 72.7%, the sensitivity was 49.7%, and the specificity was 92.3%.Conclusions: The diagnostic accuracy of PI-RADS V2 is high, and the results are highly consistent. The diagnostic efficiency of PI-RADS V2 in diagnosing central adenocarcinoma of prostate is better than that of routine reading.
[Keywords] Prostatic neoplasms；Magnetic resonance imaging；Prostate image report and data system Version 2

LI Peng Department of CT/MR, the Forth People’s Hospital, Changzhou 213000, China

HUANG Yun-hai* Department of CT/MR, the Forth People’s Hospital, Changzhou 213000, China

ZHANG Jin Department of CT/MR, the Forth People’s Hospital, Changzhou 213000, China

JING Jing Department of CT/MR, the Forth People’s Hospital, Changzhou 213000, China

*Correspondence to: Huang YH, E-mail: hyhhjn@sina.com

Conflicts of interest   None.

Received  2018-05-04
DOI: 10.12015/issn.1674-8034.2018.10.011
DOI:10.12015/issn.1674-8034.2018.10.011.

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