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Uptodate Reference Title
MRI appearance of low-grade astrocytoma
MRI appearance of low-grade astrocytoma
Brain MRI in a 34-year-old male presenting with left leg focal motor seizure. Axial (A) and coronal (B) FLAIR images show a T2-hyperintense, expansile mass in the right posterior frontal lobe, centered in the precentral gyrus, with no surrounding edema. Contrast imaging showed no enhancement. Pathology confirmed a WHO grade II astroctyoma, IDH1 mutant.
MRI: magnetic resonance imaging; FLAIR: fluid-attenuated inversion recovery; WHO: World Health Organization; IDH: isocitrate dehydrogenase.