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Abstract #0711

Prostate cancer multiparametric MRI comparison study of 3T versus 7T:  lesion detection and study design considerations

Ethan Leng1, Benjamin Spilseth2, Anil Chauhan2, Joseph Gill2, Ana Rosa2, Arcan Erturk1, Naoharu Kobayashi1, Xiaoxuan He1, Christopher Warlick3, and Gregory Metzger1
1Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States, 2Radiology, University of Minnesota, Minneapolis, MN, United States, 3Urology, University of Minnesota, Minneapolis, MN, United States

Recent works have demonstrated the feasibility of prostate multiparametric MRI (mpMRI) at 7T with improved resolution compared to mpMRI at 3T. However, the clinical relevance of finer anatomic details versus the drawbacks of increased imaging artifacts at 7T has yet to be investigated. In this work, we conducted a retrospective, multi-reader clinical evaluation of 19 paired mpMRI studies at 3T and 7T. The primary outcome of interest was accuracy of prostate cancer detection, with image quality and artifacts as secondary outcomes.

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