Arnold-Chiari malformation- type 4

Synonyms

3

Overview

Arnold-Chiari malformation is a rare malformation where the base of the brain enters into the upper spinal canal. Type 4 actually involves a lack of development of a portion of the base of the brain (cerebellum). The prognosis is very poor with death often occurring during infancy.

Symptoms

  • Developmental delay
  • Hypotonia
  • Ataxia
  • Seizures
  • Mental retardation
  • Not compatible with life

Resources

  • NIH