VESICLE IMAGING AND DATA REPORTING SYSTEM (VI-RADS): MULTI-INSTITUTIONAL MULTI-READER DIAGNOSTIC ACCURACY AND INTER-OBSERVER AGREEMENT STUDY
Yoshiko Ueno, MD, PhD, Tsutomo Tamada, MD, PhD, Mitsuru Takeuchi, MD, PhD, Keitaro Sofue, MD, PhD, Satoru Takahashi, MD, PhD, Yuki Kamishimi, MD, PhD, Yasuyo Urase, MD, Ayumu Kido, MD, PhD, Nobuyuki Hinata, MD, PhD, Kenichi Harada, MD, PhD, Masato Fujisawa, MD, PhD, Yoshiyuki Miyaji, MD, PhD, Takamichi Murakami, MD, PhD
Among seven radiologists with different levels of experience in bladder MRI interpretation, the Vesical Imaging-Reporting and Data System (VI-RADS) demonstrated moderate to substantial interobserver agreement (κ-value: 0.55-0.80) and a pooled AUC of 0.87 (range: 0.82-0.91) for diagnosing muscle-invasive bladder.