Qualitative and Quantitative MRI Analysis in IDH1 Genotype Prediction of Lower-Grade Gliomas: A Machine Learning Approach

Figure 4

A 65-year-old man with an IDH1-wildtype glioma (diffuse astrocytoma, WHO grade II). The tumor is located in the brainstem with marked contrast enhancement, deep white matter invasion, a necrosis proportion of <33%, and a mixed tumor behavior (T1<FLAIR).