Legend Noncontrast T1WI and T2WI (with fat suppression) demonstrate thickening of the intraconal segment of the right optic nerve/sheath. Also noted is abnormal T2 signal within the marrow of the right posterolateral orbital wall.

Legend On axial and coronal T1W post Gd (fat suppressed) images there is diffuse enhancement along the right optic nerve sheath and periphery of the optic nerve, as well as within the marrow of the adjacent lateral orbital wall. Key words: mri orbit tumor neoplasia

ENT Diagnosis: Lymphoma of optic nerve & sheath