dermatology

Question 1

bowens disease

Answer 1

slow. growing red scaly plaque = squamous cell carcinoma in situ
tx = freeze or topical fluorouracil

Question 2

GENITAL wart treatment

Answer 2

multiple, non-keratinised warts: topical podophyllum

solitary, keratinised warts: cryotherapy

Question 3

Necrotising fasciitis:

Answer 3

most commonly affected site is the perineum
dapagliflozin, which is an SGLT-2 inhibitor
acute onset pain, swelling, erythema at the affected site
rapidly worsening cellulitis with pain out of keeping with physical features

Question 4

classic rash in lyme disease

tx

Answer 4

Erythema chronicum migrans (‘bulls-eye’)
tx doxycycline 21 days

Question 5

psoriasis tx

Answer 5

1st line potent steroid + vit d analogue eg topical betametasone and topical calcipitrol 4 weeks

Question 6

lichen planus

lichen sclerosis

Answer 6

lichen planus = mouth often (plain taste)

sclerosis affects the genitalia and is more common in elderly females - itch present

Question 7

drug that can trigger psoriasis

Answer 7

lithium
beta blockers
antimalarials
NSAIDs and ACE inhibitors,
infliximab

Question 8

drug trigger erythema nodosum

Answer 8

sulfonamides (such as sulfasalazine), and the combined oral contraceptive pill.

Question 9

treat aktinic keratosis ?

Answer 9

topical flurouracil

Question 10

Seborrhoeic keratoses .

Answer 10

common in people over 50
It has the classic ‘stuck on’ appearance of seborrhoeic keratoses.