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Revista colombiana de ciencia animal recia
versão On-line ISSN 2027-4297
Resumo
ARROYO M, Yasmir e HINCAPIE G, Luis Carlos. Follicular dysplasia of the canine black coat. rev. colombiana cienc. anim. Recia [online]. 2018, vol.10, n.2, pp.184-189. ISSN 2027-4297. https://doi.org/10.24188/recia.v10.n2.2018.651.
Follicular dysplasia of the black layer, is a dermatopathy restricted to areas of black hair of dogs with two or more layers of colors. Studies have mentioned a primary problem in the hair follicle, where an autosomal recessive inheritance is involved. The diagnosis is made thanks to the clinical history, physical examination, tricogram and histopathological examination of the affected area.
Case report.
A mongrel canine with short hair, a 2-year-old male with a two-color coat, presents with progressive hair loss in the black areas from the month and a half of age. The general clinical examination did not show any physiological alteration, getting as relevant finding the presence of circumscribed alopecia and hypotricosis in the black areas located in the temporal zone of the head and the ears, apruriginosa, with mild seborrhea. Skin scraping is performed, this being negative for scabies mites, and subsequently sending a sample for histopathology with the report of follicular dysplasia of black hair.
Conclusion.
The follicular dysplasia of the black hair of the canine is a dermatological condition of little presentation in the veterinary clinic. So, reports like this, allow to demonstrate the presence of the pathology, and with that, to increase the knowledge of this type of dermatopathy.
Palavras-chave : Hair follicle; hypotrocis; dysplasia; melanin.
