Inflammatory conditions of the pastern will be appearing with increasing frequency during the summer season. But as a diagnosis, “pastern dermatitis” leaves much to be desired. When this alone is noted on a biopsy report, it leaves the clinician and client with little useful knowledge.

Other names for this condition, with slightly varying clinical appearances, include scratches, mud fever, grease heel, dew poisoning, grapes, canker, and verrucous pododermatitis.
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