Quote Originally Posted by UncleDave View Post
From the picture it looks like the calluses that develop on a dogs elbows if they lay on concrete a lot. I am a little surprised that te vet took a culture of it, but then I guess it could be something else.
could be the start of mange (dosent really look like it to me)

good for you for taking it to the vet unless something is broken or detached from there body mine wouldnt see one