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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/23562
Title: Stereotactic radiation therapy for optic nerve sheath meningioma; an experience at Ramathibodi Hospital
Authors: Chomporn Sitathanee
Mantana Dhanachai
Anuchit Poonyathalang
Lojana Tuntiyatorn
Veerasak Theerapancharoen
Mahidol University
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Keywords: Medicine
Issue Date: 1-Oct-2006
Citation: Journal of the Medical Association of Thailand. Vol.89, No.10 (2006), 1665-1669
Abstract: Objective: To evaluate results of stereotactic radiotherapy for the treatment of optic nerve sheath meningioma (OM) at Ramathibodi Hospital. Material and Method: Twelve patients with primary OM were treated with stereotactic radiation between 1998 and 2005. Five patients underwent surgery and had no light perception before radiation. All patients except one were treated with fractionated stereotactic radiotherapy (FSRT). Mean average dose of FSRT was 55.7 Gy; 180 cGy/fraction. One patient was treated with 15-Gy stereotactic radiosurgery. Results: With a median follow-up of 34 months, there was no visual improvement in the five patients who were completely blind before radiation. Visual acuity improved in four patients and remained stable in two patients. Four of six patients had improved visual field, and five of six decreased in proptosis. Follow-up images were available in six patients, showing minimal tumor regression in five and stable in one. No serious acute side effect was observed. Vision became worse in one patient, who developed vitreous hemorrhage two years after FSRT. Conclusion: Stereotactic radiotherapy is an effective treatment for primary OM. It provides tumor control and visual preservation with low risk of complications. However, more patients and further follow-up are needed for long-term outcomes.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=33750994953&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/23562
ISSN: 01252208
01252208
Appears in Collections:Scopus 2006-2010

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