Neurocysticercosis presenting as a vertical one-and-a-half syndrome with associated contralesional horizontal gaze paresis.

We describe a patient presenting with vertical one-and-a-half syndrome and concomitant contralesional horizontal gaze paresis as the result of a solitary neurocysticercosis (NCC) lesion in the right midbrain extending into the thalamomesencephalic junction. The patient received an albendazole-dexamethasone course which resulted in resolution of his symptoms. The neuro-ophthalmological complications of NCC are reviewed and the clinical topography of the neuro-ophthalmological findings of this unusual observation are discussed.

Vertical one-and-a-half syndrome with contralesional pseudo-abducens palsy in a patient with thalamomesencephalic stroke.

We report a unique neuroophthalmological syndrome consisting of vertical one-and-a-half syndrome-resulting from a combination of supranuclear conjugate upgaze palsy associated with left infranuclear (fascicular) third nerve involvement (Weber syndrome)-with concomitant contralesional pseudo-abducens palsy. Magnetic resonance imaging confirmed that this unusual clinical combination was the result of two infarcts one in the left thalamomesencephalic junction and another affecting the left infrategmental paramedian area of the rostral midbrain. We discuss the clinical topography of both neuroophthalmological findings. This unusual neuroophthalmological finding has not been reported.