Mia has a new kitten. She notices that the kitten has a bald spot on the back of its hind leg. To Mia, it almost looks like a scar. Otherwise, her kitten is perfect. When she takes the kitten in to the vet, she points out the little spot. He says that he needs to take a quick skin sample. Judging from his reaction, what does the vet MOST likely think is causing the bald spot
