![]() ![]() If nodules or discharging lumps are found, then more samples for cytological examination are taken. ![]() Usually, I will perform skin scrapings and hair plucks to check for evidence of demodex mites, Sellotape impressions taken from the skin surface, which are stained and examined microscopically, looking for evidence of yeast infection. Clues as to the cause of the problem can often be seen after doing this, for instance in cases of atopy where there may be inflamed skin elsewhere or just the addition of inflamed ears. I will check each foot in turn, examining the pads and both upper and lower surfaces of the foot looking for signs of inflammation, thickening of the skin and pain. During the clinical examination I will look for evidence of abnormal weight bearing on each foot, look for evidence of systemic illness that may occur with hormonal diseases such as hypothyroidism or with liver disease (hepatocutaneous syndrome). If a chronic problem, is it seasonal or non-seasonal? Has the animal travelled abroad? (Leishmaniasis). I will ask questions on how the animal is housed, how much exercise it has, where it is exercised, what it is food is being fed and how long the pododermatitis has been a problem.ĭo the owners have any skin problems? (for instance, in cases of scabies). When presented with a case of pododermatitis, as with all skin cases, I take note of the age, breed and sex of the animal, get a full history from the pet owner and perform a full clinical examination before examining the feet. Histiocytoma, Squamous cell carcinoma of nail bed, Epitheliotrophic Lymphoma, Calcinosis circumscripta Idiopathic nasodigital hyperkeratosis, Sterile pyogranulomas (another cause of “interdigital cysts”) Zinc-Responsive Dermatitis in Sled Dogs, Familial Footpad Hyperkeratosis, Acral Mutilation Syndromeįoreign Bodies (another cause of “interdigital cysts”) Pemphigus foliaceus, Pemphigus vulgaris, Bullous pemphigoid, Vasculitis, Lupus, Plasma Cell Pododermatitis (cats) Immune -Mediated or Autoimmune Skin Disease Malassezia (yeast) Superficial bacterial pyoderma Deep bacterial pyoderma (furunculosis and “interdigital cysts”) Dermatophytosis (Ringworm) Leishmaniasis (in pets that have travelled abroad) Canine Distemper Virus (“Hard Pad”) Feline Calicivirus Cowpox Infection (Cats)ĭemodex mites, Sarcoptes mites, Hookworm larvaeĬanine Atopic Dermatitis, Food Allergy, Contact Allergy This blog will concentrate on some of the more common cases that I have seen, but here is a list the general categories and diseases to be considered as differential diagnoses for pododermatitis. There are a multitude of causes, which can make a correct diagnosis and treatment of the condition difficult. Signs can vary from just erythema (redness) of the pedal skin, to alopecia, swelling, nodules and “cysts”, ulceration, crusting, draining tracts and hyperkeratosis. Pododermatitis is a term given to describe inflammatory disease of the skin of the feet. ![]()
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