Derm

Question 1

Causes of erythema nodosum

Answer 1

see notes

LOST BUSH

Question 2

Acne roscea

Answer 2

Facial flushing

Question 3

Describe an SCC lesion

Answer 3

Hyperkeratonitic, scaly/crusty, ulcerated, non-healing, rolled edges

Question 4

BCC and SCC mets

Answer 4

SCC can, BCC generally doesnt

Question 5

Describe BCC lesion

Answer 5

nodule, pearly edges, rolled edges, central ulcer, central fine telangiectasia

Question 6

Malignant melanoma lesion

Answer 6

Asymetry, irregular border, pigmented colour, diamtere over 6mm, evolution of size/shape

Question 7

Describe melanocytic lesions

Answer 7

symetrical, flat, regular borders

Question 8

Describe eczema

Answer 8

dry skin, itchy, erythematous, flexures, lichenification (if chronic)

Question 9

Oncholysis differentials

Answer 9

psoriasis, fungal infection, trauma, thyrotoxicosis

Question 10

What is guttate psoriasis

Answer 10

Raindrop plaques. often 2 weeks after strep

Question 11

causes of cellulitis and erysipelas

Answer 11

strep pyogenes or s.aureus

Question 12

Causes of erthema multiforme

Answer 12

HSV, mycoplasma, HIV. Sulphonamides.