Periódicos Brasileiros em Medicina Veterinária e Zootecnia

p. 327-331

Micobacteriose cutânea atípica felina autóctone no município do Rio de Janeiro-Brasil

Amaro da Silva, DeniseDib Ferreira Gremião, IsabellaCaldas Menezes, RodrigoAntonio Pereira, SandroBorges Figueiredo, FabianoMaria Carvalho Ferreira, RosaMaria Valente Pacheco, Tânia

Background:  :  : Cutaneous mycobacterioses show a worldwide distribution and manifest as three forms: atypical mycobacteriosis, feline leprosy and cutaneous tuberculosis. Atypical cutaneous mycobacteriosis in cats is a rare disease commonly caused by fast-growing mycobacteria belonging group IV of the Runyon classification. This report describes for the first time an autochthonous case of atypical cutaneous mycobacteriosis in a cat from the municipality of Rio de Janeiro. Case: A castrated female mongrel cat presented multiple ulcerated, exudative and alopecic lesions in different regions of the body. After sedation of the animal with 1% acepromazine hydrochloride (0.1 mg/kg) and 10% ketamine hydrochloride (10 mg/kg), clinical examination was performed and an exudate was collected from the ulcerated skin lesion for cytopathological analysis and mycological culture. The slide containing the lesion impression was stained by a rapid panoptic method. For fungal culture, material was collected with a sterile swab, seeded onto Sabouraud dextrose agar containing chloramphenicol and mycobiotic agar, and incubated at 25ºC. After antisepsis and asepsis, local anesthesia was performed with 2% lidocaine hydrochloride without vasoconstrictor and a 4 mm punch biopsy was collected from the lesion, fixed in 10% buffered formalin and sent for histopathological analysis. No fungal structures we

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