what causes it?
The first major form relates to an abnormality of the brain called an Arnold–Chiari malformation. This is the most common cause of syringomyelia.  Acquired Syringomyelia can be caused by a serious physical trauma to the body such as in a road traffic accident.
Syringomyelia
Generally, there are two forms of syringomyelia: congenital and acquired. Syringomyelia is generally a chronic disorder that occurs over time, resulting in muscular atrophy. Acquired Syringomyelia can be caused by a serious physical trauma to the body such as in a road traffic accident. Syringomyelia can also be classified into communicating and noncommunicating forms. Communicating typically occurs due to lesions on the foramen magnum and noncommunicating occurring due to other spinal cord diseases.
how big does a king charles cavalier get Historically the Cavalier King Charles Spaniel was a lap dog and is small for a spaniel, with fully grown adults comparable in size to adolescents of other larger spaniel breeds. did this species diverge from some other group? Yes - spaniel can you please describe this species? A type of gun dog with a long silky coat and drooping ears, broad muzzle. The prevailing color is liver and white, sometimes red and white or black and white, and sometimes deep brown, or black on the face and breast, with a tan spot over each eye. are they popular? Yes - The Cavalier King Charles Spaniel has grown in popularity in the United States and ranks as the 19th most popular pure-breed in the United States. how is their behavior? highly affectionate, playful, extremely patient and eager to please. can you mention any common disease/ailments that they suffer from? Mitral valve disease, syringomyelia, hip dysplasia what are the symptoms of the second? mild discomfort to severe pain and partial paralysis. is it only common to dogs or are other animals susceptible to this as well? Humans as well
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Syringomyelia [SEP] Cause
Generally, there are two forms of syringomyelia: congenital and acquired. Syringomyelia is generally a chronic disorder that occurs over time, resulting in muscular atrophy. Acquired Syringomyelia can be caused by a serious physical trauma to the body such as in a road traffic accident. Syringomyelia can also be classified into communicating and noncommunicating forms. Communicating typically occurs due to lesions on the foramen magnum and noncommunicating occurring due to other spinal cord diseases.