psoriasis Flashcards
1
Q
what is psoriasis
A
chronic multisystem disease that affects promarily the skin and joints
- waxes and wanes
- genetic involved
2
Q
5 types
A
- plaque - scaley erythemaous plaques
- inverse/flexural - in the skin folds
- guttate - presents with drop lesions, 1-10mm salmon-pink papules
- erythrodermic - generalized erythema covering nearly entire body
- pustular
3
Q
what often causes pustular
A
steroid withdrawal - can be lifethreatening
4
Q
what is palmoplantar
A
- can be either plaque or pustular type
- can be disabling
5
Q
how is plaque usually presenting
A
symmetric and bilateral
- auspitz sign - bleeding after scale removal
- koener - induced by trauma
6
Q
what is pathogensis
A
- hyperproliferatie state
- caused by release of cytokines
7
Q
medical Hx issues
A
- can be triggered by infection
- can also have psoriatic arthritis
- increases risk of CV disease
8
Q
what meds can induce
A
- steroid withdrawal
- BB
- lithium
- antimalarials
- interfereons
9
Q
key areas
A
- scalp
- ears
- elbows and knees
- umbilicus
- gluteal cleft
- nails
10
Q
what is most consistent finding in PT with psoriatic arthritis
A
presence of nail pitting
11
Q
3 nail Sx in all types of psoriais
A
- pitting
- onycholysis - separation of nail plate from nail bed
- subungal hyperkeratosis
12
Q
Tx for localized
A
high potency steroids
13
Q
5 factors that affect Tx
A
- age
- type
3 site and extent - previous Tx
- med conditions
14
Q
Tx options
A
- topicalsteroids
- topical calcineurin inhibs
- calcipotriene
- salicylic acid
- coal tar
- use topicals with occlusion for better penetration
15
Q
what should not be used
A
oral steroids - will flare up when discontinued
