Common Skin Conditions Flashcards
1
Q
What are the characteristic features of eczema on presentation?
A
- Highly pruritic rash, worse in winter (dry) and summer (sweaty)
- Atopic triad
- Scaly, dry, erythematous rash on flexural surfaces
2
Q
What is this?
A
- Discoid eczema
- DDx - tinea, psoriasis
3
Q
What is this? How does it occur?
A
- Asteatotic eczema
- Generally in elderly due to excessive heat or washing
4
Q
What is this? What causes it?
A
- Pompholyx
- Eczema variant caused by chronic washing
5
Q
What is this? How is it treated?
A
- Erythroderma
- DDx - sunburn
- Requires topical steroids and immunosuppression
6
Q
Which organisms commonly suprainfect eczema?
A
- Bacterial - S. aureus
- Viral - herpes zoster
7
Q
What are the general treatment principles for someone with eczema?
A
- Avoid irritants (perfumes, hot water)
- Regular emollient
- Topical steroid
- Treatment of suprainfections
- PUVA
- Systemic immunosuppression
8
Q
What are the general features on presentation of psoriasis?
A
- Insidious-onset, worsening rash +/- arthritis
- Erythematous plaque rash with extensive silvery scale
- Extensor distribution, well demarcated, mildly pruritic
9
Q
What is this?
A
- Flexural psoriasis
- Minimal scale, glazed appearance
10
Q
What is this? What are the serious complications?
A
- Palmar-plantar psoriasis
- Risk of digital infarction
11
Q
What is this? What often causes it?
A
- Guttate (raindrop) psoriasis
- Often caused by Strep infection
12
Q
What is this?
A
- Generalised pustular psoriasis
- Medical emergency c.f. erythroderma
