Perineuritis or infiltration of optic nerve sheath? A presentation of diffuse large B cell Gastric lymphoma
Optic perineuritis is an inflammatory disorder involving the optic nerve sheath.It is currently considered as a part of idiopathic orbital inflammatory bostik roll-cote disease which also includes dacryoadenitis, orbital myositis, superior orbital fissure, and cavernous sinus syndrome (Tolosa hunt syndrome).As it is idiopathic, it is considered a d