Hopefully some other members will have some personal information for you, but meanwhile, post your question on
the Ask-a Vet board here at Med Help. Scroll down on
this page and look for the link on
the right side under "Related Expert Forums."
I wonder if this is something that may eventually be able to be repaired with surgery? No doubt it would be expensive, but I'm curious since I don't know how far that sort of thing has come with veterinary medicine.