Development of MR-based preoperative nomograms predicting DNA copy number subtype in lower grade gliomas with prognostic implication.

Objectives: We aimed to determine the value of MR-based preoperative nomograms in predicting DNA copy number (CN) subtype in lower grade glioma (LGG) patients.

Methods: The overall survival (OS) data were analyzed. MRI data of 170 subjects were retrospectively analyzed.