Optic Nerve Neoplasms

**Definition:** Benign and malignant neoplasms that arise from the optic nerve or its sheath. OPTIC NERVE GLIOMA is the most common histologic type. Optic nerve neoplasms tend to cause unilateral visual loss and an afferent pupillary defect and may spread via neural pathways to the brain.

**Tree numbers:** - C04.588.614.300.600 - C04.588.614.596.240.240 - C10.292.225.800 - C10.292.700.500 - C10.551.360.500 - C10.551.775.250.500 - C11.640.544

**Synonyms:** - Neoplasms, Optic Nerve