Resumo
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
Resumo
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