Neurofibromatosis type 1 associated with optic nerve glioma

Findings: Brain: Sagittal T1-weighted images demonstrate corpus callosum to be intact. No evidence of Chiari malformation. No abnormal pineal region masses. Pituitary gland is not enlarged. Diffusion imaging demonstrates no evidence of recent infarct. Gradient-echo imaging shows no evidence of hemosiderin staining. Axial FLAIR and T2-weighted images demonstrate ill-defined areas…