Symptomatology, Surgical Therapy and Postoperative Results of Sphenoorbital, Intraorbital-Intracanalicular and Optic Sheath Meningiomas

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Abstract
Summary A series of 7 patients with optic sheath meningiomas, 3 intracanalicular and intraorbital, 2 intraosseus meningiomas of the sphenoid wing involving the optic canal, and 4 sphenoorbital meningiomas were reported. The choice of a surgical approach to the orbit was appropriate to the location and size of the tumour relative to the optic nerve. The most common complaints were proptosis, reduction of visual acuity and paresis of eye muscles. Patients with optic sheath meningiomas are threatened postoperatively by visual loss whereas the high recurrence rate has to be taken into consideration in cases of sphenoorbital meningiomas. Keywords Sphenoorbital meningioma optic canal meningioma optic sheath meningioma orbitotomy visual acuity

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