This looks like it could be a dried up localized pyoderma infection (staph intermedius). I would have the vet skin scrape it and look at it under scope. For localized infections of htis kind, usually you're given Muciprocin ointment.
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°¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |