Chiari I malformation
Chiari I malformation is the caudal descent of the cerebellum and brainstem through the foramen magnum. The likelihood of becoming symptomatic is proportional to the degree of downward descent of the tonsils. This patient presented incidentally with neck pain. Chiari I malformation is characterised by inferior herniation of the cerebellar tonsils through the foramen magnum, due essentially to a mismatch between size and content of the posterior fossa.
Chiari I malformation
Reviewed by Sumer Sethi
on
Thursday, February 19, 2015
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