Internuclear ophthalmoplegia, skew deviation and nystagmus from facial colliculus infarction: small lesion big trouble

Valente, Diana Vilares; de Almeida, Tomás Duarte; Gil, Inês; Nzwalo, Hipólito; Félix, Ana Catarina

http://hdl.handle.net/10400.1/17849

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Authors

Valente, Diana Vilares

de Almeida, Tomás Duarte

Gil, Inês

Nzwalo, Hipólito

Félix, Ana Catarina

Abstract(s)

Isolated internuclear ophthalmoplegia (INO) is an extremely rare presentation of stroke [1–3]. INO is defned by the presence of ipsilateral adduction paresis with contralateral dissociated nystagmus on horizontal gaze and is caused by strategic brainstem lesions involving the medial longitudinal fasciculus (MLF) [2, 3].