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Abstract #2428

Interobserver agreement of the PI-RADS Version 2.1 lexicon: A Multicenter Study of Six Radiologists with different levels of experience

Li Zhang1, Longchao Li1, Min Tang1, Yinzhong Wang2, and Xiaoyan Wang2
1Department of MRI, Shaanxi Provincial People’s hospital, Xi’an, China, 2Lanzhou university First Hospital, Lanzhou, China

PI-RADS Version 2.1 makes several minor modifications aimed at addressing these issues and simplifying the scoring system without changing the overall framework for acquisition or interpretation using the principles of the dominant sequence paradigm. Formal investigations of the Interobserver agreement of the PI-RADS version 2.1 scoring system are critical to confirm that it is attaining its primary aim of standardization.

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