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Outcome of Surgical Treatment and Radiation Therapy in En Plaque

Sphenoid Wing Meningioma

Jiroje Jiranukool MD., Wuttipong Tirakotai MD., M.Sc, Dr.med

Prasat Neurological Institute, Department of Medical Services,
Ministry of Public Health, Bangkok, Thailand

Background and Objective: En plaque sphenoid wing meningioma is a rare

type of benign brain tumors. Complete surgical resection is difficult. The main

surgical approach for this of tumor is transcranial approach. Role of adjuvant

radiation therapy in treatment of meningiomas is still a subject of controversy.

The objectives of this study were to study the clinical outcome and to

evaluate the role of adjuvant radiation for the residual tumors.

Methods: A retrospective study was performed in 26 patients with en plaque

sphenoid wing meningioma, who underwent operation at Prasat Neurological

Institution between January 2008 and December 2012. Presenting symptoms,

location of tumor, surgical appraoach, postoperative outcome, adjuvant

radiation were reviewed and analyzed.

Results: Among the 26 patients, their ages ranged from 31-57 years, with a

median age of 44. The most common presenting symptoms were proptosis (26

cases [100%]), visual impairment (19 cases [73.1%]) and headache (10 cases

[38.5%]). All tumors were removed by transcranial approach alone, except 4

were operated using an additional endoscopic endonasal approach. Most

patients had residual tumor after resection especially at the cavernous and

th
19 Annual Academic Meeting of Prasat Neurological Institute, 2015