ICD·index Chapters ENESDE
LA03 category

Arnold-Chiari malformation type II

Definition

A condition caused by failure of the brain and spinal cord to correctly develop during the antenatal period. This condition is characterised by extension of both cerebellar and brain stem tissue into the foramen magnum. This condition may present with partial or complete absence of the cerebellar vermis, myelomeningocele, neck pain, balance problems, muscle weakness, limb numbness, dizziness, vision problems, difficulty swallowing, ringing in the ears, hearing loss, vomiting, insomnia, depression, or impairment of motor skills.

Exclusions

Also indexed as

Arnold-Chiari malformation NOSArnold-Chiari malformation type IIArnold-Chiari obstruction type IIArnold-Chiari syndrome NOSChiari malformation type II

Nearby in Structural developmental anomalies of the nervous system