Dermatology Flashcards
What is the 7-point checklist (requiring a score of 3 or more) used to consider whether a 2WW Derm referral is needed?
Major features (scores 2 each):
- Change shape
- Irregular shape or border
- Irregular colour
Minor features (scores 1 each):
- > 7mm diameter
- Inflammation
- Oozing
- Change in sensation including itch
What is the rule of 9s for burns?
Head and neck = 9% Each arm = 9% Each leg = 18% Torso = 36% Genitalia = 1%
What are the steps for managing psoriasis in general practice?
8/52 OD potent steroid + vitamin D analogue
–>
STOP steroid + BD vitamin D analogue for 4/52
–>
Either BD potent steroid or coal tar preparation
What is pompholyx?
A vesicular dermatitis, extremely itchy, that affects the sides of the fingers, palms or soles of feet
What is asteatotic eczema?
Scaling, ‘crazy-paving’ pattern to the shins
What are exclamation mark hairs?
Short, tapered hairs seen at the edge of the bald patch, seen in alopecia areata
What is the first feature of NF1 in children?
Cafe-au-lait patches
How do you distuinguish between erythema nodosum and necrobiosis lipoidica diabeticorum?
Both = on the shins, occur in DM
Erythema nodosum = painful, symmetrical, red, nodular
Necrobiosis lipoidica diabeticorum = sharply demarcated, atrophic, yellow patches or plaques
What are the other names for ‘senile itch’?
Xerosis or ‘Winter Itch’ - exacerbated by reduced humidity of having the heating on, and excessive washing
Which parts of the body does scabies end to affect?
Burrows = between the fingers Rash = axillae, umbilicus, thighs
What is the classical appearance of an arterial ulcer?
‘Punched-out’ appearance
Are venous ulcers painful?
Not relative to arterial ulcers
What is Nikolsky’s sign?
When the skin sloughs off very easily
Which drugs can exacerbate psoriasis?
Beta-blockers and lithium
What does an ABPI <0.5 indicate?
Arterial disease
