Chiari I malformation with syrinx

Case contributed by Dr Henry Knipe

Presentation

Ongoing headache.

Patient Data

Age: 20 years
Gender: Female

Cerebellar tonsils are herniated through the foramen magnum, compressing the proximal cord resulting in syrinx that extends beyond the lower aspect of the field of view. No hydrocephalus. 

Case Discussion

Chiari I malformations are the most common variant of the Chiari malformations, and it is characterized by a caudal descent of the cerebellar tonsil. A cervical cord syrinx is present in ~35%.

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Case information

rID: 57986
Published: 6th Feb 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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