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Unusual association of diseases/symptoms
Papilloedema due to Chiari I malformation
  1. Jason Chao Zhang1,2,
  2. Belal Bakir1,3,
  3. Andrew Lee1,2,3,4,5,
  4. Sushma S Yalamanchili1,4
  1. 1Ophthalmology Department, The Methodist Hospital, Houston, Texas, United States
  2. 2Baylor College of Medicine, Houston, Texas, United States
  3. 3Ophthalmology Department, University of Texas Medical Branch, Galveston, Texas, United States
  4. 4Ophthalmology Department, Weill Cornell Medical College, New York, United States
  5. 5Ophthalmology Department, The University of Iowa Hospitals and Clinic, Iowa City, Iowa, United States
  1. Correspondence to Sushma S Yalamanchili, syalamanchili2{at}


The Chiari I malformation is a congenital abnormality characterised by downward displacement of the cerebellar tonsils through the foramen magnum into the cervical spine. It presents clinically most often in young adult women. Known ocular manifestations linked to Chiari I consist primarily of oculomotor paresis with cranial nerve VI palsy and convergence/divergence abnormalities. Papilloedema is a rare manifestation of Chiari I with a clinical presentation often similar to that of idiopathic intracranial hypertension. To highlight this unusual complication, the authors report a 64-year-old female who developed papilloedema as the only presenting neurological symptom resulting from a Chiari I malformation.

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  • Competing interests None.

  • Patient consent Obtained.

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