A member asked:

What is pencilling of cerebellar tonsils in a chiari malformation?

A doctor has provided 1 answer
Dr. Nikolaos Zacharias answered

Specializes in Maternal-Fetal Medicine

Herniation.: The middle part of the cerebellum herniates through the foramen magnum (at the top of the spinal canal) in chiari ii malformation, causing a particular configuration of the cerebellar tonsils.

Answered 12/28/2016

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