J Korean Neurol Assoc.  2004 Aug;22(4):392-395.

Convergence-related Nystagmus in a Patient with Hydrocephalus from Shunt Malfunction

Affiliations
  • 1Department of Neurology, Seoul National University College of Medicine, Seongnam, Korea. jisookim@snu.ac.kr
  • 2Department of Neurology, Sungkyunkwan University School of Medicine, Seoul, Korea.

Abstract

We report a 30-year-old woman with neurocysticercosis, who showed convergence and convergence-retraction nystagmus, V-bobbing, and typical findings of pretectal syndrome due to shunt malfunction. The symptoms and signs improved with shunt revision. The co-development of convergence, convergence-evoked, and convergence-retraction nystagmus, and pretectal pseudobobbing in our patient indicates that these ocular movements may share common pathophysiology of imbalance in the vergence system.

Keyword

Convergence nystagmus; Pretectal syndrome; Neurocysticercosis

MeSH Terms

Adult
Female
Humans
Hydrocephalus*
Neurocysticercosis
Nystagmus, Pathologic
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