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Original Article

Contralateral trochlear nerve palsy and facial sensory change due to a probable brainstem vascular malformation

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Pages 59-62 | Accepted 23 Apr 1991, Published online: 08 Jul 2009
 

Abstract

Brainstem vascular malformation is a rare cause of trochlear nerve palsy. The authors report a patient who presented with a rightsided trochlear nerve palsy and ipsilateral facial paresthesia. Magnetic resonance imaging disclosed a small, linear vascular malformation in the left midbrain. Involvement of the trochlear fascicles and trigeminal second order neurons is suggested as a possible pathogenic mechanism.

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