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Abstract #3488

Preoperative MR Radiomics and ADC Value for Prediction of Progression and Recurrence in Meningiomas

Ching-Chung Ko1,2, Yang Zhang3, Jeon-Hor Chen3,4, and Min-Ying Su3
1Department of Medical Imaging, Chi Mei Medical Center, Tainan, Taiwan, 2Department of Health and Nutrition, Chia Nan University of Pharmacy and Science, Tainan, Taiwan, 3Department of Radiological Sciences, University of California, Irvine, CA, CA, United States, 4Department of Radiology, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan

A subset of meningiomas may show early progression/recurrence (P/R) after surgery. In clinical practice, one of the main challenges in the treatment of meningiomas is to determine factors that correlate with P/R. This study investigated the role of preoperative MR radiomics and apparent diffusion coefficient (ADC) value for prediction of P/R in meningiomas. The four most significant radiomic features selected by support vector machine (SVM) were used to calculate SVM score for each patient. High SVM score and low ADC value were associated with early P/R and short progression-free survival in meningiomas.

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