Dermatology

Question 1

child + tear drop papules

Answer 1

guttate psoriasis

Question 2

herald patch

Answer 2

pityriasis rosea

Question 3

painful red raised lesions in pregnant woman

Answer 3

erythema nodosum

Question 4

rash associated with rheumatic fever

Answer 4

erythema marginatum

Question 5

rash associated with lyme disease

Answer 5

erythema migrans

Question 6

koebner phenomenon

Answer 6

Psoriasis

Question 7

where are keloid scars most likely to form?

Answer 7

sternum

Question 8

what is the first line treatment for chronic plaque psoriasis?

Answer 8

potent topical steroid + vitamin D analogue

Question 9

what two dermatological conditions typically follow a viral infection?

Answer 9

pityriasis rosea and guttate psoriasis

Question 10

cause of oedema following severe burn

Answer 10

hypoalbuminaemia

Question 11

what is the management of pityriasis versicolour?

Answer 11

topical ketoconazole

Question 12

multiple patches of skin discolouration on trunk exacerbated by sunlight

Answer 12

pityriasis versicolour

Question 13

test for contact dermatitis?

Answer 13

patch testing

Question 14

which skin condition is typically associated with coeliac disease?

Answer 14

dermatitis herpetiformis

Question 15

what are the differential diagnosis of shin lesions?

Answer 15

• erythema nodosum
• pretibial myxoedema
• pyoderma gangrenosum
• necrobiosis lipoidica diabeticorum

Question 16

shiny orange peel skin

Answer 16

pretibial myxoedema

Question 17

what condition is pretibial myxoedema associated with

Answer 17

graves disease

Question 18

initially small red papule

later deep, red, necrotic ulcers with a violaceous border

Answer 18

pyoderma gangrenosum

Question 19

shiny, painless areas of yellow/red skin typically in diabetics. Associated telangectasia

Answer 19

necrobiosis lipoidica diabeticorum

Question 20

which is the bacteria associated with acne

Answer 20

Propionibacterium acnes

Question 21

what is the management of dermatophyte fungal nail infections

Answer 21

oral terbinafine

Question 22

what is the most significant complication of PUVA (UVA light therapy)

Answer 22

squamous cell carcinoma

Question 23

what medications are associated with erythema nodosum?

Answer 23

penicillins, sulfazalasine, combined oral contracptive

Question 24

what is the definition of erythroderma ?

Answer 24

when more than 95% of the skin is covered by a rash of any kind

Question 25

what is the management of scabies?

Answer 25

everyone in the household should receive two applications of permethrin/malathion one week apart

Question 26

what is the management of lichen sclerosus (1st and 2nd line)

Answer 26

1st: topical steroid

2nd topical tacromolius

Question 27

what complication is associated with psoriatic arthritis

Answer 27

cardiovascular disease

Question 28

whats the differentiating feature between cellulitis and erysipelas?

Answer 28

erysipelas presents with a raised rash with a well defined border caused by strep pyogenes

Question 29

what is the treatment of athelete’s foot?

Answer 29

topical miconazole

Question 30

what is the management of imeptigo in a systemically well patient ? (1st and 2nd line)

Answer 30

1. hydrogen peroxide 1% cream

2. topical fusidic acid

Question 31

what is the school exclusion criteria for impetigo?

Answer 31

children should be excluded from school until lesions are crusted and healed or after being on antibiotics for 48hrs

Question 32

what is the managment of rosea

Answer 32

metronidazole