Diagnostic Performance and Interobserver Consistency of the Prostate Imaging Reporting and Data System Version 2: A Study on Six Prostate Radiologists with Different Experiences from Half a Year to 17 Years

Chinese Medical Journal
Zan KeSheng-Chao Hou

Abstract

One of the main aims of the updated Prostate Imaging Reporting and Data System Version 2 (PI-RADS v2) is to diminish variation in the interpretation and reporting of prostate imaging, especially among readers with varied experience levels. This study aimed to retrospectively analyze diagnostic consistency and accuracy for prostate disease among six radiologists with different experience levels from a single center and to evaluate the diagnostic performance of PI-RADS v2 scores in the detection of clinically significant prostate cancer (PCa). From December 2014 to March 2016, 84 PCa patients and 99 benign prostatic shyperplasia patients who underwent 3.0T multiparametric magnetic resonance imaging before biopsy were included in our study. All patients received evaluation according to the PI-RADS v2 scale (1-5 scores) from six blinded readers (with 6 months and 2, 3, 4, 5, or 17 years of experience, respectively, the last reader was a reviewer/contributor for the PI-RADS v2). The correlation among the readers' scores and the Gleason score (GS) was determined with the Kendall test. Intra-/inter-observer agreement was evaluated using κ statistics, while receiver operating characteristic curve and area under the curve analyses were ...Continue Reading

References

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Citations

Nov 6, 2018·Investigative Radiology·Julia MaiTobias Franiel
Apr 8, 2020·AJR. American Journal of Roentgenology·Stephanie M WalkerBaris Turkbey
Apr 22, 2020·Journal of Magnetic Resonance Imaging : JMRI·Victoria Chernyak, Claude B Sirlin

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Methods Mentioned

BETA
biopsies
biopsy

Software Mentioned

SPSS
- Imaging Reporting and Data System
MedCalc
PIRADS
PI
- RADS Imaging Reporting and Data System
RADS
- Reporting and Data System

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