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Infections of the subcutis and skin of dogs caused by rapidly growing mycobacteria

Malik, R., Shaw, S.E., Griffin, C., Stanley, B., Burrows, A.K.ORCID: 0000-0001-9293-1352, Bryden, S.L., Titmarsh, J., Stutsel, M-J., Carter, S-A., Warner, A., Martin, P., Wigney, D.I. and Gilpin, C. (2004) Infections of the subcutis and skin of dogs caused by rapidly growing mycobacteria. Journal of Small Animal Practice, 45 (10). pp. 485-494.

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Nine dogs with panniculitis due to rapidly growing mycobacteria (RGM) were examined over 17 years. Dogs were two to 15 years; five were male, four were female. All were obese or in good condition. Antecedent injury, typically a dog bite or vehicular trauma, could be identified in some patients, while one bitch had hyperadrenocorticism. Infections involved different locations, although the cervicothoracic region, dorsum or flank were most often affected. Patients were systemically well, apart from one dog with pyrexia and two with pain or lameness. Cytology demonstrated pyogranulomatous inflammation, but in only one case was it possible to see acid‐fast bacilli (AFB) in smears. Histology demonstrated chronic active pyogranulomatous panniculitis and dermatitis; AFB could be detected in only four specimens. Culture of aspirates or resected tissues demonstrated RGM in all cases, comprising six Mycobacterium smegmatis group and three Mycobacterium fortuitum group isolates. Resection of infected tissues, perioperative injectable antimicrobials and long courses of oral antimicrobials chosen according to susceptibility data generally effected a cure, although some cases recurred.

Item Type: Journal Article
Murdoch Affiliation(s): Division of Veterinary and Biomedical Sciences
Publisher: Wiley
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