Psoriasis Flashcards
1
Q
5
Psoriasis features
A
- Occurs at extensors of limbs + scalp
- Itchy
- well-demarcated erythematous plagues
- Silvery scale
- symmetrical
2
Q
Psoriasis nail changes
A
- Nail pitting
- Onycholysis: separation of nail plate from nailbed
- Subungual hyperkeratosis: thickening of the nailbed
3
Q
What is the Auspitz sign?
A
Pin point bleeding under skin’s surgace
4
Q
3
Psoriasis Mx
A
Emoillient for ALL
1st line: Topical potent steroids (Betnovate)/ vit D analogue (Dovonex)
- Stop steroid and cont. w/ Dovonex BD
- Stop Dovonex and steroid BD
- Coal tar
apply at alternately
5
Q
2
Psoriasis 2nd line Mx
A
Phototherapy:
Narrowed band UVB
Psoralen+UVA (PUVA)
6
Q
3
Psoriasis 3rd line Mx
A
Systemic Tx
1st: Methotrexate
2nd: Ciclosporin
3rd: Acitretin
7
Q
What is Koebner phenomenon?
A
Trauma/Injury induced new psoraitic lesion
8
Q
Guttae Psoriasis Mx
A
Self-limiting
9
Q
What trigger Guttate Psoriasis?
A
Post Strep infection
