Publication: Oculomotor nerve schwannoma: A case report and review of the literature
Issued Date
2011-08-01
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ISSN
01252208
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2-s2.0-79961178569
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of the Medical Association of Thailand. Vol.94, No.8 (2011), 1002-1007
Suggested Citation
Kriangsak Saetia, Noppadol Larbcharoensub, Narongdet Wetchagama Oculomotor nerve schwannoma: A case report and review of the literature. Journal of the Medical Association of Thailand. Vol.94, No.8 (2011), 1002-1007. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/12391
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Title
Oculomotor nerve schwannoma: A case report and review of the literature
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Abstract
Background: Oculomotor nerve schwannomas are extremely rare tumors. There are only 40 cases reported in the literature. There is no standard treatment for these rare tumors. Case Report: The authors have reported a case of a 41-year-old Thai man presenting with progressive visual loss of the left eye for 6 months without diplopia. Visual acuity was 20/70 in the right and 20/400 in the left. There was no limitation of eye movement. MRI showed a 42.5 ml mass in the suprasellar region compatible with a schwannoma. The patient underwent a left pterional craniotomy with partial tumor removal. The pathological section confirmed a diagnosis of schwannoma and the patient received postoperative stereotactic radiotherapy. Conclusion: Options for treating these rare tumors include clinical observation, surgical resection or stereotactic radiation. High incidence of complete third nerve palsy following surgery has been reported in the literature. Therefore, a subtotal removal of large oculomotor schwannoma followed by stereotactic radiotherapy could provide a safer alternative compared to radical surgery.