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March 1986

See-saw Nystagmus Associated With Chiari Malformation

Author Affiliations

From the Department of Neurology, Wake Forest University Medical Center, Winston-Salem, NC.

Arch Neurol. 1986;43(3):299-300. doi:10.1001/archneur.1986.00520030085024

• See-saw nystagmus has been seen with tumors of the parasellar region and diencephalon, brain-stem vascular lesions, syringobulbia, and after trauma. We report see-saw nystagmus in an adult with a Chiari malformation that was diagnosed by magnetic resonance imaging and confirmed intraoperatively. This patient's condition improved after surgical decompression. An association between see-saw nystagmus and Chiari malformation is potentially important because early diagnosis and decompression may improve neurologic function and prevent further deterioration.

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