Skin Biology

Question 1

Name some complication of erythroderma.

Answer 1

Hypothermia
Infection
Renal failure
High output cardiac failure (dilated vessels)
Protein malnutrition (high skin turnover)

Question 2

Give some secondary causes of erythroderma.

Give a primary cause.

Answer 2

Psoriasis
Contact dermatitis
Eczema
Drugs

Cutaneous T cell lymphoma
Sezary disease

Question 3

Name the three main types of hair.

Answer 3

Lanugo 
Vellum hair (short hair all over body) 
Terminal hair (coarse long hair)

Question 4

Describe the difference between an annular and discoid skin lesion

Answer 4

Annular is a well demarcated lesion with central clearing

Discoid shows no central clearing and may be scaly.