red and scaly Flashcards
1
Q
what are 2 types of red and scaly rashes and what differentiates them?
A
- papulosquamous - well demarcated
2. dermatitic - poory demarcated
2
Q
what is cause of psoriasis
A
polygenic
- unknown cause > inflammation
- release of cytokines > prliferation
- keratinocytes and blood vessels
3
Q
6 types of psoriasis
A
- plaque
- guttate
- erythrodermic
- pustular
- palmoplantar
- inverse
4
Q
what is koebner phenomenon
A
dev. at sites of trauma
- picking, scratching, tattos
5
Q
important non-skin effect
A
joint arthritis
6
Q
5 important comorbidites
A
- diabetes
- HT
- hyperlipid
- metabolic
- CV
7
Q
2 classes of Tx for psoriaisis and examples
A
- topical
- steroids
- salicylic acid
- tar
- vit D - systemic
- phototherapy
- methotrexate
8
Q
what is pityriasis rosea
A
- scaly
- acute, self-limited inflammatory
- herald patch and the rash that last 6-8 weeks
9
Q
morpho of pityriasis rosea
A
- salmon pink scaly plaque
- christmas tree pattern
- trunk and proximal extremitiies
10
Q
tx of pityriasis rosea
A
- topical steroids
- cold compresses
11
Q
what is tinea
A
- annular scaly plaque
- central clearing
- advancing border
12
Q
what is LP
A
- idiopathic inflammatory
- skin and mucous membranes
- predilection for flexion surfaces
13
Q
6 Ps of LP
A
- pruritic
- purple
- polygonal
- peripheral
- papules
- penile
14
Q
what is char. of dermatitic disorders
A
red and scaly
POORLY defined borders
15
Q
what is stasis dermatitis
A
- present on lower legs
- bilateral
- swelling, oozing, and crusting
