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Year 2008 - Volume 28, Number 06
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Características clínicas e histopatológicas da placa aural em eqüinos Mangalarga e Quarto de Milha, p.279-284
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ABSTRACT.- Souza N.R., Adorno V.B., Marcondes J.S., Oliveira Filho J.P., Conceição L.G., Amorim R.L. & Borges A.S. 2008. [Clinical and histopathological characteristics of the aural plaque in Mangalarga and Quarter Horses.] Características clínicas e histopatológicas da placa aural em eqüinos Mangalarga e Quarto de Milha. Pesquisa Veterinária Brasileira 28(6):279-284. Departamento de Clínica Veterinária, Faculdade de Medicina Veterinária e Zootecnia, Unesp-Campus de Botucatu, Distrito de Rubião Júnior s/n, Botucatu, SP 18618000, Brazil. E-mail: zep.filho@hotmail.com
Aural plaque is a variant of equine papillomatosis. Clinical examination was performed on 306 Mangalarga and 275 Quarter Horses to compare the occurrence of aural plaques among animals and to characterize clinical and histological findings for the disease. Aural plaques occurred in 57% of Mangalarga and in 35% of Quarter breeds. Clinically the lesions consisted of flat, desquamated and hypochromic plaques formed by coalescence of small papules. The main histopathological findings were epidermal hyperplasia and hypomelanosis with abrupt change between the normal and the affected epithelium. |
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