Dermatology

Question 1

facial flushing, telangiectasia, papules and pustules worsened by heat, spice, sun, stress etc.

Answer 1

acne rosacea

Question 2

open/closed comedones, papules/pustules

Answer 2

acne vulgaris

Question 3

thickened plaques on sun exposed areas

Answer 3

actinic keratosis (pre scc)

Question 4

hx of eczema, monomorphic punched out lesions

Answer 4

eczema herpeticum (HSV)

Question 5

hx of eczema w crusting

Answer 5

staph aureus

Question 6

seborrheic dermatitis organism

Answer 6

malassezia furfur

Question 7

flaky, oily, erythematous skin around hairline, eyebrows etc

Answer 7

seborrheic dermatitis

Question 8

hiv/immunosuppressed derm

Answer 8

seborrheic dermatitis, molluscum contagiosum, folliculitis

Question 9

itchy, erythematous, oozing rash on flexor surfaces (older kids/adults), can be extensor in younger kids/babies (young onset, atopy)

Answer 9

atopic dermatitis (eczema)

Question 10

slow growing lesion w pearly surface, rolled edge, telangiectasia, ulcerated centre

Answer 10

basal cell carcinoma

Question 11

dermatitis hereptiformis - itchy blistering/papular rash on buttocks or elbows

Answer 11

coeliac disease

Question 12

white, punched out, small and deep ulcers w weak distal pulse

Answer 12

arterial ulcer (peripheral arterial disease)

Question 13

large, shallow, bleeding/oozing ulcers

Answer 13

venous ulcers (chronic venous insufficiency)

Question 14

cafe au lait spots

Answer 14

Neurofibromatosis I (NF1)

Question 15

ash leaf macules, shagreen patches

Answer 15

tuberous sclerosis

Question 16

malar rash, discoid plaques

Answer 16

systemic lupus erythematosus (SLE)

Question 17

small firm raised nodule post trauma ie. pinprick

Answer 17

dermatofibroma

Question 18

purple heliotrope rash

Answer 18

dermatomyositis

Question 19

shawl rash

Answer 19

dermatomyositis

Question 20

gottrons papules (scaly knuckles)

Answer 20

dermatomyositis

Question 21

drug eruption causes (“A”s)

Answer 21

anticonvulsants, antibiotics, anti-inflammatories, allopurinol

Question 22

erythema nodosum

Answer 22

commonly sarcoidosis, or UC, TB

Question 23

target lesions

Answer 23

erythema multiforme

Question 24

erythema migrans - “bullseye lesion”

Answer 24

lyme disease

Question 25

borrelia burgdorferi

Answer 25

lyme disease

Question 26

extreme redness (90%) of skin surface

Answer 26

erythroderma - derm emergency

Question 27

gas gangrene organism

Answer 27

clostridium perfringens

Question 28

honey coloured crusting rash

Answer 28

impetigo

Question 29

impetigo organism

Answer 29

staph +/- strep pyogenes

Question 30

koebner phenomenon

Answer 30

lesions at sites of skin trauma/injury, can occur in lichen planus, psoriasis, eczema

Question 31

purple, polygonal papules or plaques on flexor surface of wrists/ankles +/- oral white mucosal ulceration

Answer 31

lichen planus

Question 32

flaccid blisters that burst easily and form erosions

Answer 32

pemphigus vulgaris