Diseases of the Pinna in Animals

A variety of dermatologic conditions affect the pinna. Rarely, a disease affects the pinna alone or the pinna is the initial site affected. As with all dermatologic conditions, a diagnosis is best made with the results of a thorough history, a complete physical and dermatologic examination, and with careful selection and evaluation of specific diagnostic tests. The following topics are not all-inclusive but include diseases that solely or commonly affect the pinna of domestic animals.