Dermatology Details

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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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Dilemmas in Dermatology: Pearls & Pitfalls

Douglas J. DeBoer, DVM, Diplomate ACVD University of Wisconsin Certain skin diseases universally present diagnostic and/or treatment dilemmas for general practitioners and specialists alike, and opinions abound on the “best” way to handle these conditions. This uncertainty largely reflects our lack of knowledge about these skin diseases and our relative inability to make evidence-based statements. …

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What is New in the Diagnosis and Management of Canine Atopic Dermatitis

Sandra N. Koch, DVM, MS, Diplomate ACVD University of Minnesota Canine atopic dermatitis (CAD) is a prevalent, multifaceted, pruritic skin disease with a complex etiopathogenesis (Figure 1). In recent years, remarkable progress in the understanding of CAD has led to new diagnostic and therapeutic strategies.   UPDATES ON PATHOGENESIS OF CAD Not Always IgE Although …

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Treating Resistant Skin Infections in Dogs

Valerie A. Fadok, DVM, PhD, Diplomate ACVD, North Houston Veterinary Specialists, Spring, Texas The increasing prevalence of methicillin resistance has made treating pyoderma challenging. Dr. Fadok presents the clinical manifestations, methods for diagnosis, and treatments for drug-resistant canine pyoderma infections. Pyoderma is a common skin disorder in small animal practice. Now that the major canine …

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Feline Dermatology: Cats Are Not Small Dogs

Lori A. Thompson, DVM, Diplomate ACVD Dr. Thompson brings you practical tools to use in everyday practice when it comes to feline dermatology, including tips for identifying the right diagnosis and specific disease components. A cat’s job in life is to question all the rules and make us—veterinarians and pet owners—scratch our heads and puzzle …

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