Most common intracranial tumour encroaching the orbit is: (A) Astrocytoma, (B) Glioblastoma multiforme, (C) Sphenoid wing meningioma, (D) Medulloblastoma
Answer is C. The intracranial meningiomas which secondarily invade the orbit are arising from the sphenoid bone. Orbital invasion may occur through: floor of anterior cranial fossa, superior orbital fissure and optic canal. Ref khurana page no.423