Characterization of high-grade prostate cancer at multiparametric MRI: assessment of PI-RADS version 2.1 and version 2 descriptors across 21 readers with varying experience (MULTI study)

Abstract

Key points 1. Juniors characterized aggressive cancers less well than experienced seniors on prostate MRI. 2. Agreement between readers remained moderate even for experienced readers. 3. As compared to version 2, PI-RADSv2.1 descriptors tended to show improved specificity.

Keywords

• Prostatic neoplasms
• Magnetic resonance imaging
• Observer variation
• Image-guided biopsy