Peg-like tonsil (cerebellum)

Last revised by Frank Gaillard on 11 Feb 2018

Peg-like tonsils refer to the CT or MR appearances of pointed cerebellar tonsils on sagittal scans. The may help distinguish low-lying tonsils from cerebellar tonsillar ectopia due to a Chiari I malformation

The terminology of caudally displaced tonsils is discussed in the article on cerebellar tonsillar ectopia.

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