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  • Title: Oculomotor nerve schwannoma: a case report and review of the literature.
    Author: Saetia K, Larbcharoensub N, Wetchagama N.
    Journal: J Med Assoc Thai; 2011 Aug; 94(8):1002-7. PubMed ID: 21863685.
    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 leftpterional 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.
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