Feline Skin Diseases Flashcards
What skin reactions are cats with hypersensitivities likely to show?
Eosinophilic granuloma complex
- Painless ulcers
- Eosinophilic plaques
- Eosinophilic granulomas
- Miliary dermatitis
How is eosinophilic granuloma complex confirmed in cats?
Cytology
Histology
What are the most likely differentials for eosinophilic granuloma complex, miliary dermatitis or symmetrical alopecia in cats?
FAD
Environmental allergy
Food allergy
What are signs associated with allergic skin disease in cats?
Eosinophilic granuloma complex Miliary dermatitis Symmetrical alopecia Rhinitis, resp signs Pruritus, self trauma Erythema
What is head and neck pruritus most likely associated with in cats?
Food allergy
Outline the characteristics of mosquito bite hypersensitivity in cats…
Eosinophilic infiltrate with collagen degeneration
Nose and pinnae
Seasonal
Outline the stages that lead up to a diagnosis of allergic skin disease in cats…
- Confirm EGC lesion
- Rule out parasites esp fleas
- Rule out infection esp bacteria
- Trial elimination diet
How is allergic skin disease treated in cats?
Flea prophylaxis
Glucocorticoids - Pred @ 1-2mg/kg/day
Ciclosporin
ASIT
What are the clinical signs of pemphigus foliaceus in cats?
Any breed, sex, age
Focal crusting, symmetrical
Head, face, nose, ears and claws
Lethargic, feverish, anorexic
What drugs can be used to treat pemphigus foliaceus in cats?
Prednisolone
Dexamethasone
Triamcinalone
Chlorambucil
Which drugs cannot be used to treat pemphigus foliaceus in cats and why?
Azathioprine
Is myelosuppressive
Outline the characteristics of paraneoplastic alopecia..
Cats ONLY, >10y
Rare
Most often due to pancreatic adenocarcinoma or bile duct carcinoma
What are the clinical signs of paraneoplastic alopecia in cats?
Inappetence, weight loss
Ventral and limb alopecia
Palpable mass in abdomen
Shiny skin in alopecic areas
How is paraneoplastic alopecia diagnosed in cats?
US - locate mass
Skin biopsy - severe follicular atrophy, no statrum corneum
What common neoplasia in cats can cause scaly, patchy alopecia?
Thymoma