<unk><unk>  of<unk><unk>  are extremely rare, constituting 0.4-1% of all central nervous system<unk> . These<unk>  most commonly occur in adults with the mean age being 31.5. There have been cases reported for people between the ages 5 to 66 years. There is a slight predominance of females who have these<unk> .
Papillary tumors of the pineal region
Optic nerve sheath meningioma
Intraocular schwannoma
Optic nerve glioma
Pituitary adenoma
Extracranial germ cell tumor
Optic nerve tumor
Central nervous system cavernous hemangioma