[Traumatic internuclear ophthalmoplegia].
The authors report a case of traumatic internuclear ophthalmoplegia and discuss its pathophysiologic mechanism. Internuclear ophthalmoplegia due to head trauma is uncommon, though it may be more common than reported since signs and symptoms typically resolve over weeks to months, and in multiple trauma patients other serious injuries overshadow disturbances of eye movements. A lesion involving medial longitudinal fasciculus was found by magnetic resonance imaging in the early post-traumatic period; this lesion was not seen when routine X-ray computed tomography was performed at the time of injury, confirming that magnetic resonance scanning is definitely superior to computed tomography for evaluating internuclear ophthalmoplegia.
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