Candida albicans is not a member of the normal skin flora and its presence is always the expression of a pathologic state and of its intrinsic pathogenicity.
Species which are pathogenic to dogs include:
- Candida albicans
- Candida parapsilosis
- Candida tropicalis
- Candida glabrata (formerly Torulopsis glabrata)
These yeasts are widely distributed in the environment and frequently colonized the skin and mucous membranes (such as the oral cavity) and genital and gastrointestinal tracts of dogs.
Immunosuppressive states appear to preclude dogs to developing candidiasis, such as iatrogenic infections associated with wound dehiscence, candidial endocarditis following prolonged immunosuppression therapy and candidiasis associated with metastatic mast cell tumors.
In dogs, yeasts belonging to Candida genus prefer constantly humid areas, which favor tissue maceration, as occurs in mucous membranes, mucocutaneous junctions, intertriginous areas, nail substructure inter-fingers areas, ear canals and the lateral face of the ear and genital tract membrane.
Clinically affected dogs present with generalized seborrheic dermatitis, alopecia, patchy erythema, and superficial erosions with histological evidence of mural folliculitis. Dogs with systemic candidiasis present with more general symptoms referable to the organs affected, but peritonitis and chronic cystitis have been reported.
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