4th Year Dermatitis Flashcards Preview

Dermatology 2021 > 4th Year Dermatitis > Flashcards

Flashcards in 4th Year Dermatitis Deck (15)
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1
Q

which skin layers does dermatitis affect?

A

epidermis and dermis

2
Q

what is dermatitis

A

inflammatory condition with spongiosis, varying degrees of acanthosis and superficial infiltrate

3
Q

what clinically correlates with spongiosis?

A

crusting

4
Q

endogenous types of dermatitis

A
atopic
seborrheic
lichen simplex chronicus
discoid
nodular prurigo
pomphylax
5
Q

exogenous types of dermatitis

A

irritant

allergic

6
Q

atopic eczema appearance in the young

A

early infancy on face and extensor surfaces before later developing into typical flexural pattern

7
Q

criteria for atopic eczema diagnosis

A

itching plus 3 or more of:

  • visible flexural rash
  • history of flexural rash
  • PH of atopy or first degree relative
  • dry skin in past year
  • onset before 2 years
8
Q

where is the filaggrin protein present?

A

in keratohyalin granules in the granular layer

9
Q

what does mutations to the filaggrin protein cause?

A

ichthyosis

predisposes to atopy

10
Q

management of atopy

A
emollients
topical steroids
calcineurin inhibitors
bandages/ wet wraps
antihistamines
phototherapy
systemic agents
11
Q

adverse of topical steroids

A
skin thinning
increased infection
telangiectasia
acne
systemic absorption
poor growth/ Cushing's
12
Q

levels of topical steroids

A

hydrocortisone
eumovate
betnovate
dermovate

13
Q

examples of calcineurin inhibitors

A

tacrolismus

pimecrolimus

14
Q

chemicals used in wet wraps/ bandages?

A

zinc oxide +/ - tar
ichthammol
zipzocs

15
Q

bug in infected eczema

A

staph aureus usually

if HSV admission needed