Acquired tonsillar ectopia

Acquired tonsillar ectopia is usually thought of as a subgroup of cerebellar tonsillar ectopia in which downward displacement of the cerebellar tonsils is secondary to another well defined and distinct pathological process. This is to distinguish it from Chiari I malformations and low-lying tonsils.

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


Causes of acquired tonsillar ectopia include: 

Article information

rID: 58256
Synonyms or Alternate Spellings:

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