Localized bony defect about the optic canal

Localized erosion about the optic canal

Common: Internal carotid artery aneurysm; Nasal cavity neoplasm; Orbital neoplasm; Pituitary adenoma; Sphenoid sinus neoplasm
Uncommon: Anterior fossa neoplasm; Astrocytoma; Craniopharyngioma; Glioma; Granuloma; Langerhans cell histiocytosis; Meningioma; Metastasis; Neurofibroma; Neurofibromatosis; Orbital dysplasia; Sarcoidosis; Sphenoid sinus mucocele; Surgical defect; Tuberculosis

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