6. Skin diseases - Miliary dermatitis, Eosinophilic complex

Question 1

What is miliary dermatitis?

Answer 1

A multifactorial disease of cats

Question 2

What is important to remember about miliary dermatitis?

Answer 2

It is a CLINICAL SIGN, not a disease or diagnose

Question 3

What is reason for development of miliary dermatitis?

Answer 3

It is developed (manifested) due to an underlying pruritic skin disease

Question 4

What is etiology of miliary dermatitis?

(Cause of development)

Answer 4

• Flea allergy dermatitis (FAD) - most common
• Atopic dermatitis and food allergy (hypersensitivity dermatitis)
• Ectoparasites - Cheyletiellosis, trombiculidiasis, pediculosis, notoedres, Otodectes.
• Dermatophytosis and bacterial folliculitis - least common

Question 5

What are clinical signs characterizing for miliary dermatitis?

Answer 5

Papulocrustous lesions of skin - widespread small crusty papules

Question 6

What are clinical signs of miliary dermatitis?

Answer 6

• Crusty papules on dorsal neck, trunk, ears and above tail (feel like small millet seeds) –> intense pruritus esp from lesions on neck
• Perioral, periocular and periauricular erythema, crusting and self-induced alopecia always.

Question 7

What is important to have in mind when evaluating facial lesions and clinical signs of suspected miliary dermatitis?

Answer 7

That the facial lesions are sometimes associated with clinical signs of eosinophilic granuloma complex

Question 8

What is eosinophilic granuloma complex?

Answer 8

A term to describe 3 forms of skin lesions in cats

• Indolent ulcers
• Eosinophilic plaque
• Eosinophilic granuloma