Transient ocular motor nerve palsies associated with presumed cranial nerve schwannomas

Journal of Neuro-ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society
Robert K ShinDan Boghen

Abstract

Cranial nerve schwannomas are radiologically characterized by nodular cranial nerve enhancement on magnetic resonance imaging (MRI). Schwannomas typically present with gradually progressive symptoms, but isolated reports have suggested that schwannomas may cause fluctuating symptoms as well. This is a report of ten cases of presumed cranial nerve schwannoma that presented with transient or recurring ocular motor nerve deficits. Schwannomas of the third, fourth, and fifth nerves resulted in fluctuating deficits of all 3 ocular motor nerves. Persistent nodular cranial nerve enhancement was present on sequential MRI studies. Several episodes of transient oculomotor (III) deficts were associated with headaches, mimicking ophthalmoplegic migraine. Cranial nerve schwannomas may result in relapsing and remitting cranial nerve symptoms.

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Citations

Jun 16, 2018·Current Pain and Headache Reports·Stacy V Smith, Nathaniel M Schuster
Jun 26, 2020·Frontiers in Neurology·Yaping YanYongfeng Xu
Aug 21, 2020·Journal of Pediatric Ophthalmology and Strabismus·Shaza N Al-HolouRichard H Legge
Jul 3, 2020·Journal of Neuro-ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society·Edward MargolinLaila Al Shafai

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