The aim of this study was to report a case of cutaneous cryptococcosis located in the interdigital skin of a dog. A young adult mongrel dog presented pruritic alopecic crusty lesions throughout corporeal extension and an ulcerated lesion in the interdigital region of the left pelvic limb. A fine needle aspiration cytology (FNAC) of the interdigital lesion showed an inflammatory process plus yeast organisms similar to Cryptococcus sp. A mycological culture was carried out confirming the results of FNAC. The patient also had positive diagnosis to Sarcoptes sp. and Demodex sp.. Cryptococcus sp. is the etiologic agent of cryptococcosis, an infectious opportunistic disease that affects humans, domestic and wild animals. The probable low immunity of the dog, in this study, may have been a triggering factor for the development of the disease. Canine cutaneous cryptococcosis is unusual, which explains the relevance of this report case.
Immunosuppression; opportunistic fungal infection; skin ulcer; fine needle aspiration cytology; canine
