Chiari-like malformation (CM) is characterized by a mismatch in size between the brain (which is too large) and the skull (which is too small) as a result of selective breeding. It’s most often seen in Cavalier King Charles Spaniels.
The conditions can cause intense pain and may have serious effects on the health, welfare and behavior of dogs.
More about Chiari-like malformation and syringomyelia (CM/SM) including the scheme for breeding by British Veterinary Association – BVA
For updates check two recently published open-access papers in the Journal of Veterinary Internal Medicine:
- Facial changes related to brachycephaly in Cavalier King Charles Spaniels with Chiari‐like malformation associated pain and secondary syringomyelia
- Behavioral and clinical signs of Chiari‐like malformation‐associated pain and syringomyelia in Cavalier King Charles spaniels
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