Abstract #0709

Comparing the Diagnostic Accuracy of Luminal Water Imaging versus PI-RADSv2.1 in Detection of Prostate Cancer

Shirin Sabouri¹, Silvia Chang^2,3,4, Emily Pang², Rehab Mohammedeid², Edward Jones⁵, Larry Goldenberg^3,4, Peter Black^3,4, and Piotr Kozlowski^1,2,3,4

¹UBC MRI Research Centre, Vancouver, BC, Canada, ²Department of Radiology, The University of British Columbia, Vancouver, BC, Canada, ³Department of Urologic Sciences, The University of British Columbia, Vancouver, BC, Canada, ⁴Vancouver Prostate Centre, Vancouver, BC, Canada, ⁵Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BC, Canada

Luminal water imaging (LWI) is an MRI technique that detects regions of decreased lumen volume in prostate. Recent studies on LWI have shown promising results regarding the accuracy of this technique in diagnosis of prostate cancer. However, to the best of our knowledge no study has yet compared the performance of LWI against the current clinical assessment. In this study, we perform a comparison between the diagnostic accuracy of LWI with the PI-RADSv2.1 assessment. Our results show that LWI performs similar to the PI-RADSv2.1 in the entire prostate and peripheral zone, and outperforms significantly in transition zone.

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