Fungal dermatitis by Scopulariopsis brevicaulis in Guinea pig (Cavia porcellus)


Fungal dermatitis is classified into superficial, cutaneous and subcutaneous mycoses. However, the incidence of fungal dermatitis in small mammals is relatively low. Among rodents guinea pig the most affected specie, however it usually has an asymptomatic pattern. The present text reports an unusual case of fungal dermatitis in Cavia porcellus caused by Scopulariopsis brevicaulis. The animal was received with complaint of alteration of coat around the neck, as well as report of incorrect feeding management. During the physical examination the presence of a dry and crusty dermatitis, negative on fluorescence test of wood. Samples of blood, skin, scabs and hair were collected for parasitic and mycological analysis. The hematological evaluation showed only a discrete eosinophilia; no ectoparasites were observed, but it was noticed the presence of Scopulariopsis brevicaulis. The animal underwent terbinafine and griseofulvin protocol, with total regression of the lesions after 30 days. S. brevicaulis is an unusual geophilic fungus causing animal mycosis, presenting more pathological reports in human mycoses, thus, representing a zoonotic potential. According to the clinical findings and results obtained from mycology assay, it was diagnosed dermatitis by Scopulariopsis brevicaulis, secondary to nutritional deficiency. The combined use of topical terbinafine with systemic griseofulvin was efficient in the treatment. Finally, it was recommended a dietary correction.


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Clinical Reports / Casos Clínicos