Table 1.
Differential diagnoses to be considered when evaluating a canine patient presented with pododermatitisa
| Infection | Superficial bacterial pyoderma Deep pyoderma and furunculosis (actinomycosis, actinobacillosis, nocardiosis, mycobacteriosis) Superficial fungal (dermatophytosis, Malassezia, candidiasis) Deep fungal (phaeohyphomycosis, sporotrichosis, blastomycosis, cryptococcosis) Parasitic (demodicosis, trobiculiasis, hookworm dermatitis, Pelodera dermatitis, tick infestation) Viral (canine distemper) |
| Allergic | Atopic dermatitis, cutaneous adverse food reaction, contact dermatitis, flea allergy dermatitis |
| Immune-mediated | Pemphigus foliaceus, systemic lupus erythematosus, vasculitis, adverse cutaneous drug reaction, lymphocytic plasmacytic pododermatitis |
| Endocrine | Hypothyroidism, hyperadrenocorticism |
| Acquired/Traumatic | Sterile interdigital pyogranulomatous pododermatitis Foreign body pododermatitis (plants, wood splinters, nail, thorn, foxtails, wood slivers) |
| Genetic/Inherited | Familial paw pad hyperkeratosis, lethal acrodermatitis of bull terriers |
| Metabolic | Superficial necrolytic dermatitis |
| Neoplastic | Nail bed squamous cell carcinoma, epitheliotrophic lymphoma |