Perineuritis or infiltration of optic nerve sheath? A presentation of diffuse large B cell Gastric lymphoma

Perineuritis or infiltration of optic nerve sheath? A presentation of diffuse large B cell Gastric lymphoma

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Optic perineuritis is an inflammatory disorder involving the optic nerve sheath.It is currently considered as a part of idiopathic orbital inflammatory disease which also includes puffy spa headband dacryoadenitis, orbital myositis, superior orbital fissure, and cavernous sinus syndrome (Tolosa hunt syndrome).As it is idiopathic, it is considered a diagnosis of exclusion.Another important differential is optic nerve lymphoma.

Isolated optic nerve lymphoma associated with systemic sawgrass virtuoso sg500 complete sublijet sublimation printer kit involvement has been described in literature.We report a case that presented as third nerve palsy but later on developed central retinal vein occlusion and was ultimately diagnosed as primary gastric lymphoma of diffuse large B cell type.