Abstract #4562

Radiomics Analysis of Apparent Diffusion Coefficient Maps with Various b-value Combinations for Differentiation of Prostate Cancer

Eo-Jin Hwang ¹ and Moon Hyung Choi²

¹Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea, ²Eunpyeong St.Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

Prostate Imaging-Reporting and Data System (PI-RADS) suggests acquiring multiple apparent diffusion coefficient (ADC) maps including the lowest b-values between 50-100s/mm² and highest b-values greater than 1400s/mm². Radiomics is a novel field in medical imaging to advance decision support by utilizing large amount of quantitative features. In this study, we employed radiomics from ADC maps and a linear regression model to differentiate prostate cancer from benign tissues and evaluated the effect of various b-value combinations on ADC maps. We discovered that ADC with the b-values of 100 and 1000s/mm² was most effective in discriminating prostate cancer with high accuracy.

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