Isolated Sixth Nerve Palsy From Hemorrhage of a Pontine Cavernous Malformation
Authors:
- Robert M. MalleryRMRobert M. Mallery
- Joshua P. KleinJKJoshua P. Klein
- Misha L. PlessMPMisha L. Pless
- 1 December 2012
- journal article
- case report
- Published by Wolters Kluwer Health in Journal of Neuro-Ophthalmology
- Vol. 32 (4) , 335-337
Abstract
A 32-year-old woman who developed binocular horizontal diplopia was found to have an isolated fascicular sixth nerve palsy secondary to hemorrhage of a cavernous malformation within the left pontine tegmentum. There was sparing of the paramedian pontine reticular formation and absence of a horizontal gaze palsy. The natural history of cavernous malformations and a mechanism by which hemorrhage of these vascular lesions may produce minimal neurologic signs, including isolated ocular motor cranial nerve palsies, is discussed. Magnetic resonance imaging (MRI) that includes susceptibility-weighted sequences leads to their accurate diagnosis.Keywords
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