J Med Assoc Thai 2016; 99 (6):54

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Outcomes of Surgical Treatment and Radiation Therapy in En Plaque Sphenoid Wing Meningioma
Jiranukool J Mail, Iampreechakul P , Dhanachai M , Tirakotai W

Objective: En plaque sphenoid wing meningioma is a rare tumor. Complete surgical resection is difficult. Role of adjuvant radiation therapy in treatment of meningiomas is still controversial. This present study aimed to examine the clinical outcomes and to evaluate the role of adjuvant radiation for the residual tumors.
Material and Method: 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 approach, postoperative outcomes, and adjuvant radiation were reviewed and analyzed.
Results: Among the 26 patients, their ages ranged from 31 to 57 years. All tumors were removed by transcranial approach. Eleven of the patients underwent adjuvant radiation therapy and post-radiation imaging revealed tumors being stable in size. Nine patients that had regrowth tumors were not radiated. Mean followed-up time was 51.77 months (range 18-96 months).
Conclusion: Proptosis, visual acuity and cosmetic problems can be improved by surgery. Postoperative adjuvant radiation therapy may be an option for residual en plaque sphenoid wing meningioma.

Keywords: En plaque sphenoid wing meningioma, Proptosis, Visual acuity, Pterional approach, Endoscopic endonasal
approach, Orbital decompression, Radiation


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