Eczema

Question 1

atopy refers to triad of

Answer 1

• atopic dermatitis (eczema)
• asthma
• allergic rhinitis (hay fever)

Question 2

clinical features of atopic dermatitis

Answer 2

• dry erythematous skin

- lichenified, itchy, scaly

Question 3

atopic dermatitis is found on what body parts of infants & toddlers

Answer 3

• cheeks

- extensor surfaces

Question 4

atopic dermatitis is found on what body parts of older children

Answer 4

• flexor surfaces

Question 5

presentation of chronic eczema

Answer 5

• less vesicular & exudative
• more scales
• pigmentation & lichenification
• fissures

Question 6

Tx atopic dermatitis

Answer 6

• remove triggers
• emollients
• soap substitutes
• topical steroids
• calcineurin inhibitors, abx, antihistamines, phototherapy, oral steroids

Question 7

irritant contact dermatitis happens due to … whereas allergic contact dermatitis is often due

Answer 7

• superficial damage of skin surface allowing deeper penetration
• contact with substance

Question 8

in adults, irritant contact dermatitis is linked to

Answer 8

profession

Question 9

in children, irritant contact dermatitis is found

Answer 9

around mouth

Question 10

clinical features of irritant contact dermatitis

Answer 10

• present at area of contact
• red dry itchy patch
• swelling & blistering

Question 11

irritant & allergic contact dermatitis tx

Answer 11

• avoid irritant
• emollients
• topical steroids

Question 12

type of sensitivity reaction in allergic contact dermatitis

Answer 12

type 4 delayed hypersensitivity

Question 13

common allergens in allergic contact dermatitis

Answer 13

• nickel
• perfumed substance
• hair dye
• plasters
• plants

Question 14

allergic contact dermatitis is diagnosed thru

Answer 14

patch test

Question 15

seborrhoeic dermatitis occurs in

Answer 15

• face

- scalp

Question 16

causes of seborrheic dermatitis

Answer 16

overgrowth of malassezia yeast

Question 17

eczema generally worsens in what season

Answer 17

winter

Question 18

appearance of suborrhoeic dermatitis

Answer 18

salmon-pink patches with scales & plaques

Question 19

seborrheic dermatitis tx

Answer 19

• keratolytics (remove scale)
• topical antifungals
• topical corticosteroids
• topical calcineurin
• medicated shampoo

Question 20

stasis dermatitis (venous eczema) often affects what part of elderly px

Answer 20

lower legs (venous insufficiency)

Question 21

explain clinical features of seborrheic dermatitis

Answer 21

• itchy, red, blistered/dry & scaly patches/plaques
• haemosiderin
• atrophine blanche
• lipodermatosclerosis
• champagne bottle

Question 22

seborrheic dermatitis tx

Answer 22

• reduce swelling
• abx
• topical steroids
• emollient/moisturiser

Question 23

cause of asteatotic dermatitis in lower legs in elderly

Answer 23

dry skin due to xs washing

Question 24

appearance of asteatotic dermatitis

Answer 24

crazy-paving with white patches & red lines

Question 25

tx asteatotic dermatitis

Answer 25

• remove RFs
• emollients/moisturisers
• mild topical steroids