Dermatology

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Canine Atopic Dermatitis: Updates on Diagnosis and Treatment

Frane Banovic, DVM, PhD, DECVD University of Georgia College of Veterinary Medicine Canine atopic dermatitis (CAD) is a common skin disorder defined as a hereditary predisposition to develop pruritic inflammatory skin disease associated with IgE antibodies, which typically target environmental allergens.1 The disease typically affects dogs age 6 months to 3 years and is characterized …

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Dermatology Diagnostics: Skin Scrapes, Hair Plucks, and More

Parasites, such as chiggers and scabies-causing mites, can cause tremendous itching. Fungal organisms, such as dermatophytes, can affect the hair, resulting in fracturing and large areas of crusting, nodules, or excoriations. Not all dermal problems come from external threats; various breed-related issues, such as color-dilution alopecia, pattern baldness, and many autoimmune diseases, can develop over time. Here’s how to investigate some dermal conditions in cats and dogs.

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Dermatology Diagnostics: Cutaneous Biopsy

Biopsy is often an important diagnostic step in determining the cause of cutaneous disease. An accurate diagnosis requires appropriate timing of the biopsy, careful site selection and biopsy technique, selection of a dermatopathologist.

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Dermatology Diagnostics: Cutaneous Cytology

The best method for obtaining material from the ear is with a cotton-tipped applicator; however, the health of the ear may limit access to sampling sites. For example, if a dog has end-stage proliferative ear disease, the degree of stenosis…

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Updates on the Management of Canine Demodicosis

Canine demodicosis is a common inflammatory parasitic skin disease believed to be associated with a genetic or immunologic disorder. This disease allows mites from the normal cutaneous biota to proliferate in the hair follicles and sebaceous glands, leading to alopecia, erythema, scaling, hair casting, pustules, furunculosis, and secondary infections. The face and forelegs to the entire body surface of the dog may be affected. Three morphologically different types of Demodex mites exist in dogs.

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