Dermatology Flashcards
1
Q
What are the 5 different infectious skin conditions?
A
- Insects: fleas and lice
- Arachnids: ticks and mites
- Fungi: dermatophytes and malassezia
- Bacteria or protozoa: commensals, tuberculosis and leishmania
- Virus: myxomatosis, distemper and feline cowpox
1
Q
What are the 5 different non-infectious skin conditions?
A
- Allergy: atopy, food sensitivity and contact allergy
- Neoplasia: mast cell tumour, lymphosarcoma
- Auto-immune skin disease: discoid lumps, pemphigus
- Endocrine: hypothyroidism, hyperthyroidism, Cushings
- Inflammatory lesions: eosinophilic granuloma complex in cats
2
Q
How does Cushings affect the coat?
A
- Thin skin
- Wrinkled
- Poor coat
- Calcium deposits
- Infections
3
Q
How does hypothyroidism affect the coat?
A
- Bilateral alopecia
4
Q
How does hyperthyroidism affect the coat?
A
- Greasy skin
- Thin hair
5
Q
What are the methods for skin conditions?
A
- Examination
- Coat brushings
- Otoscopic examination of ears
- Tape strips
- Skin scrapes
- Hair plucks
- Bacterial cultures
- Cytology
- Biopsies
- Serology
- Allergy tests
6
Q
Describe surface mites
A
- Long legs
- Otodectes cynotis
7
Q
Describe burrowing mites
A
- Short legs
- Sarcoptes scabei
8
Q
Describe follicular mites
A
- Cigar shaped
- Cause demodex
9
Q
Describe fleas
A
- Body flattened laterally, dark brown
- Faeces stain red
10
Q
Describe lice
A
- Body flattened dorso-ventrally, pale
- Biting louse have a head wider than the thorax
- Sucking louse have a head narrower than the thorax
11
Q
What is the ear mite in rabbits called?
A
- Psoroptes cuniculi
12
Q
What is demodex injai in dogs?
A
- Very long mites and live in sebaceous glands
13
Q
What is demodex cornei in dogs?
A
- Short mites and live in outer layer of epidermis
14
Q
What is demodex cati in cats?
A
- Live in follicles
