Abstract
The Equus caballus papillomavirus (EcPV) has been associated with some neoplasia in horses, e.g., classical papillomatosis, genital papilloma, and aural plaque. Aural plaque is a cosmopolitan dermatophyte characterized by the presence of circular, whitish lesions up to 3 cm in diameter in the inner surfaces of the pinna and rarely in other regions of the horse's body, regardless of age, b…