Canine pododermatitis: A retrospective study of 300 cases (original) (raw)

Abstract

The medical records of 300 dogs with pododermatitis were reviewed and the possible associations between signalment, history, clinical and laboratory findings, as well as various primary and secondary causative factors were investigated. The age of the dogs ranged from 3 months to 15 years. Most dogs were mongrels, West Highland white terriers (WHWTs), French bulldogs, German Shepherd dogs (GSDs) and Shar-Peis. In most of the cases pododermatitis was chronic/recurrent (69%), pruritic (75%) and affected all four feet (54%). The predominantly affected site was the interdigital skin (66%). Erythema (77.7%), hypotrichosis/alopecia (57%), skin thickening (26.3%), crusts (25%) and hyperpigmentation (22%) were the most frequently encountered lesions. Among the secondary causes, bacteria (36.3%) were more commonly found than Malassezia spp. (14.3%). The principal primary causes were allergies (43.7%), demodicosis (10.7%), sarcoptic mange (5.7%), skin neoplasms (4.7%), leishmaniosis (4.7%) and interdigital furunculosis (3.7%). In this study, WHWT, Shar-Peis and French bulldogs were predominantly presented with allergic pododermatitis (P=0.001). Interdigital skin was more commonly involved in dogs with allergic dermatitis (89.3%) and demodicosis (62.5%),while metatarsal area in dogs with sarcoptic mange (100%). Crusts were commonly seen in bacterial pododermatitis (P<0.001), whereas greasy crusts (P<0.001) and lichenification (P=0.008) were seen in Malassezia pododermatitis. Finally, dogs that did not have frequent paw cleaning had the lowest rates of Malassezia dermatitis(P=0.047).

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