The first reports of syringomyelia in Cavalier King Charles Spaniels (CKCS) appeared in 1997 almost simultaneously from the UK, South Africa and Australia. (caninechiariinstitute.org)
Genetic studies of Chiari - like Malformation with Syringomyelia in the CKCS by Clare Rusbridge [PDF] (cavaliercampaign.com)
CM, a malformation of the skull, is a common cause of syringomyelia in dogs. (vetmed.auburn.edu)