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  • Title: The surgical management and outcomes for spheno-orbital meningiomas: a 7-year review of multi-disciplinary practice.
    Author: Cannon PS, Rutherford SA, Richardson PL, King A, Leatherbarrow B.
    Journal: Orbit; 2009; 28(6):371-6. PubMed ID: 19929662.
    Abstract:
    AIMS/PURPOSE: Spheno-orbital meningiomas account for 9% of all adult intracranial meningiomas. Complete resection is extremely difficult with this condition. We report on our experience in the surgical management of spheno-orbital meningiomas. METHODS: A retrospective review was performed of all patients with spheno-orbital meningiomas who underwent joint neurosurgical and ophthalmic procedures between January 2000 and December 2007. Radiological findings, presenting clinical signs, indications for surgery, surgical approach, histopathological findings, surgical complications and post-operative results were recorded. RESULTS: Twelve patients were included in the study. Visual function deterioration was the main indication for surgery. Six patients underwent an optic canal decompression along with their initial tumour resection and all 12 patients underwent an extensive lateral orbital wall decompression. Post-operatively 6 patients had reduced proptosis. Two patients had an improvement in their visual acuity, 5 patients had a stable visual acuity and 5 patients had a progressive deterioration in visual acuity following surgery. Six patients maintained a stable visual field. Cranial nerve palsy was the commonest post-operative complication. Three patients required postoperative fractionated radiotherapy. Three patients required further surgery. CONCLUSION: Spheno-orbital meningiomas are difficult tumours to manage. Surgical resection can reduce the degree of proptosis and stabilise visual function in patients with failing vision, although sustained improvement is difficult to achieve if the tumour behaves in an aggressive manner. The risk of post-operative visual loss is considerable, either due to surgery or tumour progression. Outcomes from surgical decompression may not necessarily be better than the natural history of these tumours.
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