ISVD LogoInternational Society of Veterinary Dermatopathology

Advancement of Veterinary and Comparative Dermatopathology

January 2021



A 10-year-old female spayed Boxer presenting with bilateral draining ulcerative and nodular lesions on the concave surface of the pinna and a similar skin lesion on one upper thigh. The dog had been treated for otitis externa a week earlier.



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Which of the following is the most likely to confirm the diagnosis?



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