Endoscopic Transorbital Superior Eyelid Approach for the Management of Selected Spheno-orbital Meningiomas: Preliminary Experience

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BACKGROUND:Feasibility and safety of spheno-orbital meningioma resection by means of endoscopic-assisted transorbital route.OBJECTIVE:To evaluate the feasibility and outcomes of the transorbital endoscopic management of selected spheno-orbital meningiomas. As secondary aims, symptom improvement and tumor volume removed were evaluated.METHODS:Retrospective chart evaluation of patients with spheno-orbital meningiomas treated by means of endoscopic transorbital superior eyelid approach in 3 referral centers over the last 4 yr.RESULTS:Fourteen cases were included in this study. In 4 patients, the transorbital endoscopic approach was combined with an endonasal route. Mean age was 51 and male-to-female ratio was 1:6. In 8 patients (57.1%), an intraorbital involvement was observed, 3 of them (21.4%) showed significant intraconal disease. No patient presented significant cavernous sinus infiltration. Main presenting symptoms were proptosis, diplopia, and visual impairment in 14, 6, and 6 patients, respectively. Mean proptosis improvement was 2 mm (standard deviation 2.3). We observed no major postoperative complications.CONCLUSION:Our preliminary clinical experience seems to demonstrate that selected spheno-orbital meningiomas can be safely managed by means of an endoscopic transorbital route through a superior eyelid approach. Patients with orbital or cavernous sinus infiltration are at highest risk of persistence.

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