6 - Derm - Eczema - Exogenous eczema

Question 1

contact dermatitis - irritant

-due to? rather than? affects who? who more susceptible?

Answer 1

chemical damage, rather than immune mediated
can affect anyone
atopic individuals more susceptible

Question 2

3 examples of irritants

where most often infected?

Answer 2

alkalis, detergents, water

hands most often infected

Question 3

contact dermatitis - irritant - cohorts most affected?

mgmt? 4

Answer 3

hair dressers, nurses, engineers, young mothers

mgmt - avoid irritants, cotton gloves, emollients, top steroids

Question 4

contact dermatitis - allergic - pathology? test to ID allergens?

Answer 4

delayed type IV hypersensitivity - to exogenous allergen

do a patch test

Question 5

common allergens? allergy to medicaments is problematic for who in particular?

Answer 5

nickel, chomates (builders), rubber

ulcer pts

Question 6

contact dermatitis allergic mgmt

Answer 6

avoid allergens, emollients, top steroids

Question 7

Hand dermatitis - pathology?

Answer 7

can be endogenous, allergic or irritant (often multifactorial)

Question 8

hand dermatitis - appearance and signs/Sx

Answer 8

scaling, peeling, itchy vesicles/blisters on palms and along fingers, fissures

Question 9

hand dermatitis - useful test? if unilateral..maybe??

Answer 9

patch test beneficial

if unilateral, may be fungal - id reaction

Question 10

hand dermatitis mgmt
acute
chronic

Answer 10

acute - KMnO4 soaks, emollients, top steroids

chronic - emollients, steroids, retinoids