GP Derm Recap

Question 1

What do we call a flat, slightly raised, and more raised skin lesion?

Answer 1

• Flat: macule
• Slightly: papule
• More raised: Nodules

Question 2

What are pustules? Vesicles? Wheals?

Answer 2

Pustule: small circumscribed, fill with pus
Vesicle: fluid filled sac
Wheal: lighter than surrounding skin

Question 3

Patient comes in with pustules. What do we need to eliminate?

Answer 3

Pustular psoriasis (systemic inflammatory response -> life threatening)

Question 4

What are the two infections that can arise from ecemza?

Answer 4

1. Eczema herpeticus (emergency)
2. Impetigo (?swimming centre)

Question 5

How do we treat eczema (incl. flareups)?

Answer 5

• In flare-ups, treat w/ topical steroids (no more than 7-10 days; risk is thinning of the skin)
• Treat with moisturiser otherwise (or wet wraps)

Question 6

What effects choice of ointment vs cream vs lotion

Answer 6

Ointment - thicker, better, less practical
Cream - most other places
Lotion - good for use on scalp

Question 7

What is the basic mechanism of psoriasis? What is another drug class that can cause it?

Answer 7

• It’s autoimmune
• Can also be caused by ACE inhibitors

Question 8

Psoriasis treatment

Answer 8

• Vit D with steroids
• Coal tar
• Referral for biologics

Question 9

You give antifungals for a rash, but it doesn’t work. What do you think it is?

Answer 9

Probably pityriasis rosea

Question 10

Pityriasis distribution/presentation

Answer 10

Ovoid, fir tree distribution, macular. Truncal (not distal to elbows)