There are many different diseases that canines and humans can both suffer from and syringomyelia is one such condition. It is believed that in one breed, namely the Cavalier King Charles Spaniel, this condition is inherited and can be caused by a Chiari malformation at the base of the spine and the skull. The condition is named after Arnold Chiari, the first human diagnosed with the condition.
The cause of syringomyelia in Cavalier King Charles Spaniels is always from the development of fluid filled compartments or sacs along the spinal column. These fluid sacs prevent the normal movement of fluids through the spinal column resulting in extreme pain in movement below where the fluid sac, more correctly known as the syrinx, is located. [...]