Here it is.....I think someone is giving you incorrect information because you previously said there were none. You can find specialists online .. if looking for internal medicine:
American College of Veterinary Internal Medicine > Home
if looking for surgeons
www.acvs.org
This is the link to a list I posted for internal med which is where I would go first to get a correct diagnosis.
http://www.yorkietalk.com/forums/4752060-post9.html