Chiari III malformation

Case contributed by Prashant Gupta
Diagnosis certain

Patient Data

Age: 2 months
Gender: Male

These images reveal a sub-occipital encephalocele with herniation of the cerebellum. Note the cervico-dorsal cord syrinx

Case Discussion

The expanded definition of Chiari III malformations includes both low occipital and high cervical encephaloceles. Corpus callosum dysgenesis is associated in most cases.

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