Figure 3- Brain and orbital MRI with and without gadolinium contrast: A) coronal T2 MRI without contrast shows bilateral optic nerve enlargement B) axial T1 MRI with contrast shows bilateral optic nerve enlargement and enhancement C) coronal T1 MRI with contrast shows bilateral optic nerve enlargement and enhancement D) coronal T2 MRI without contrast shows brain third and lateral ventricles enlargement E) sagittal T1 MRI with contrast shows brain third ventricle enlargement.