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					Originally Posted by  Rhetts_mama     Would it be possible for you to apply for Care Credit at the vet's so that you can move forward with more tests?   |  
 
  Excellent suggestion.  OP, if I were you, I would be looking for a way to get that MRI done. Otherwise the vet is working in a bit of a void...and guessing. Just not a great way to deal with something so serious.   
I will pray for Polo and that you find a way to get him the testing and/or care he needs.