Fig. 3
From: Imaging diagnosis and treatment selection for brain tumors in the era of molecular therapeutics
A-C 26-Year-Old Patient with Biopsy Proven IDH-Mutant Astrocytoma Showing the T2/FLAIR Mismatch Sign. Axial T2-Weighted MRI (A) shows a homogenously T2 hyperintense lesion centered within the left insula. Axial FLAIR MRI (B) shows the lesion becomes relatively hypointense with peripheral hyperintense rim due to incomplete suppression. Axial T1-Weighted Post Contrast MRI (C) shows no substantial enhancement within the lesion