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Nine Syndrome: Case Report and Review of Clinical Signs in Internuclear Ophthalmoplegia.

ABSTRACT: The pathologic involvement of brainstem and midbrain nuclei and white matter tracts in various combinations may result in a spectrum of arithmetically derived syndromes. They include 'one and a half syndrome', 'eight and a half syndrome' and 'fifteen and a half syndrome'. We report a case of 'nine syndrome', which has been reported more recently, caused by caused by acute pontine infarcts and characterised clinically by a combination of internuclear ophthalmolplegia, ipsilateral horizontal gaze palsy, lower motor neuron type of facial palsy, contralateral hemiparesis and hemianesthesia. We highlight the genesis of this combination of clinical signs, revisit the different variants of INO and review the literature on 'Nine syndrome'.

SUBMITTER: Singhdev J

PROVIDER: S-EPMC6238551 | biostudies-literature | 2018 Oct-Dec

REPOSITORIES: biostudies-literature

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Nine Syndrome: Case Report and Review of Clinical Signs in Internuclear Ophthalmoplegia.

Singhdev Jennifer J Asranna Ajay A Sureshbabu Sachin S Mittal Gaurav Kumar GK Singla Sweta S Peter Sudhir S Chindripu Sobhana S

Annals of Indian Academy of Neurology 20181001 4

The pathologic involvement of brainstem and midbrain nuclei and white matter tracts in various combinations may result in a spectrum of arithmetically derived syndromes. They include 'one and a half syndrome', 'eight and a half syndrome' and 'fifteen and a half syndrome'. We report a case of 'nine syndrome', which has been reported more recently, caused by caused by acute pontine infarcts and characterised clinically by a combination of internuclear ophthalmolplegia, ipsilateral horizontal gaze ...[more]

PMID: 30532368

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The Clue is in the Eyes. A Case Report of Internuclear Ophthalmoplegia.

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Myasthenia Gravis With Reversible Pyramidal Tract Damage and Pseudo Internuclear Ophthalmoplegia. A Case Report and Literature Review.

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Bilateral pseudo-internuclear ophthalmoplegia in a patient with myasthenia gravis.

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