This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Graves' Ophthalmopathy, Tumors, Fractures, and Surgery, Subject name: Ophthalmology
[{'content': 'Most common intracranial tumor encroaching the orbit is? \nSelect and explain. \nA. Astrocytoma, B. Glioblastoma multiforme, C. Sphenoid wing meningioma, D. Medulloblastoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ANSWER: (C) Sphenoid wing meningiomaREF: Computed tomography of the eye and orbit by Steven B. Hammerschlag, John R. Hesselink, Alfred L. Weber Page 120Meningioma is by far the most common intracranial tumor to involve the orbit. Sphenoid wing meningiomas characteristically produce exuberant hyperostosis on both the orbital and middle fossa sides of the sphenoid wing.', 'role': 'assistant'}]