May Be Caused by

 Common

Meningioma

 Uncommon

Chondroma

Chordoma

Chromophobe adenoma

Chronic increased intracranial pressure

Craniopharyngioma

Expansion of middle fossa

Giant cell tumor

Langerhans cell histiocytosis

Metastasis

Optic glioma

Parasellar aneurysm of internal carotid artery

Pituitary tumor

Plexiform neurofibroma