Abstract #3488

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

Ching-Chung Ko^1,2, Yang Zhang³, Jeon-Hor Chen^3,4, 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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