Presentation
Ongoing headache.
Patient Data
Age: 20 years
Gender: Female
From the case:
Chiari I malformation with syrinx
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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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