Paralytic pontine exotropia: A sign of acute unilateral pontine gaze palsy and internuclear ophthalmoplegia

James A. Sharpe*, Michael A. Rosenberg, William F. Hoyt, Robert B. Daroff

*Corresponding author for this work

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

Paralytic external deviation of one eye with horizontal immobility of the fellow eye specifies an acute brainstem lesion involving the paramedian pontine reticular formation and the medial longitudinal fasciculus on the side opposite the deviated eye. This paralytic pontine exotropia is distinguished from other exotropias. The deviated (exotropic) eye shows abduction nystagmus during attempts to move it further laterally, and extreme slowness of adduction saccades. Normal midbrain ocular motor functions are evidenced by intact vertical gaze, convergence, and pupillary constrictor reflex activity.

Original languageEnglish (US)
Pages (from-to)1076-1081
Number of pages6
JournalNeurology
Volume24
Issue number11
StatePublished - Jan 1 1974

Fingerprint

Exotropia
Ocular Motility Disorders
Paralysis
Pupillary Reflex
Saccades
Mesencephalon
Brain Stem

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

Sharpe, James A. ; Rosenberg, Michael A. ; Hoyt, William F. ; Daroff, Robert B. / Paralytic pontine exotropia : A sign of acute unilateral pontine gaze palsy and internuclear ophthalmoplegia. In: Neurology. 1974 ; Vol. 24, No. 11. pp. 1076-1081.
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Paralytic pontine exotropia : A sign of acute unilateral pontine gaze palsy and internuclear ophthalmoplegia. / Sharpe, James A.; Rosenberg, Michael A.; Hoyt, William F.; Daroff, Robert B.

In: Neurology, Vol. 24, No. 11, 01.01.1974, p. 1076-1081.

Research output: Contribution to journalArticle

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