1Radiology, National Defense Medical College, Saitama, Japan, 2Urology, National Defense Medical College, Saitama, Japan, 3Diagnostic Radiology, Keio University, School of Medicine, Tokyo, Japan
The purpose of this study was to investigate whether the parameters obtained from diffusion-weighted imaging using a gamma model could distinguish a Gleason 6 from a Gleasonā„7 disease, and help to improve the prediction of insignificant prostate cancer in active surveillance candidates. Fifty-nine patients who underwent radical prostatectomy were included in this study. ROC analyses for predicting adverse pathologic outcomes in active surveillance candidates showed that the AUC of the parameters of the gamma model were from 0.81 to 0.88. DWI using the gamma model might help to improve the prediction of insignificant prostate cancer in active surveillance candidates.
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