Psoriasis

Question 1

Psoriasis overview

Answer 1

Question 2

Psoraisis epidemiology

Answer 2

2-4% males and females

peaks 15 - 25 years and 50 - 60 years

huge psychosocial impact

Question 3

Types of psoriasis

Answer 3

chronic plaque psoriasis

guttate psoriasis = stand the best chance of clearing (⅓ go on to develop chronic plaque psoriasis)

flexural

palmoplantar

erytheodermic

general pustular

(scalp, nail, genital)

Question 4

Answer 4

chronic plaque psoriasis

Question 5

Answer 5

guttate psoriasis

tx: light (aka phototherapy)

Question 6

Answer 6

Genital and flexural psoriasis

cannot be treated by light treatment

Question 7

Answer 7

palmoplantar psoriasis

significant functional impairment

Question 8

Answer 8

erythrodermic psoriasis

replace any fluid loss and screen for sepsis

Question 9

Answer 9

generalised pustular psoriasis

sterile

Question 10

Answer 10

nail psoriasis

subungual hyperkeratosis

onychyolysis

pitting

Question 11

psoriasis mx: hx

Answer 11

lifestyle

alcohol

smoking

co-morbidities

Question 12

Psoriasis mx: assessment

Answer 12

PASI involves = body surface involvement, how thick how scaly how red it is, score >10 → psoriasis

you qualify for biologic therapies if score >10

Question 13

psoriasis mx

Answer 13

tacrolimus is used rarely these days

Question 14

psoriasis mx 2

Answer 14

Question 15

psoriasis mimics

Answer 15

chronic eczema = lichen simplex chronicus

in a flexure, not extensor

atopic, more well-demarcated

tx with super-potent steroids (beclometasone, oral prednisolone) NOT FOR PSORIASIS OR YOU WILL DESTABILISE IT

Question 16

Answer 16

contact dermatitis

washing hands is irritant dermatitis