psoriasis

Question 1

what is psoriasis?

Answer 1

chronic autoimmune condition causing recurrent psoriatic skin lesions

Question 2

genetics

Answer 2

1/3 patients have a 1st degree relative affected

Question 3

describe psoriasis patches

Answer 3

dry, flaky, scaly, faintly erythematous

raised and rough plaques

Question 4

where on body are plaques usually found?

Answer 4

extensor surfaces eg elbows and knees

scalp

Question 5

Types of psoriasis

Answer 5

plaque
guttate
pustular
erythrodermic

Question 6

most common type of psoriasis in adults

Answer 6

plaque

Question 7

plaque psoriasis

Answer 7

thickened, erythematous plaques with silver scales

1cm-10cm

Question 8

who does guttate psoriasis commonly occur in?

Answer 8

children following a strep throat infection

Question 9

guttate psoriasis

Answer 9

small raised papules across trunk and limbs
mildly erythematous and can be scaly
can turn into plaques

Question 10

what type of psoriasis is treated as an emergency?

Answer 10

pustular and erythrodermic

Question 11

erythrodermic psoriasis

Answer 11

inflamed, erythematous areas covering most of the surface of skin
skin comes away in large patches

Question 12

3 signs suggestive of psoriasis

Answer 12

auspitz sign
koebner phenomenon
residual pigmentation

Question 13

auspitz sign

Answer 13

small points of bleeding when plaques scraped off

Question 14

koebner phenomenon

Answer 14

psoriatic lesions to areas of skin affected by trauma

Question 15

residual pigmentation

Answer 15

after lesions resolve

Question 16

treatment options

Answer 16

topical steroids 
topical vit D analogues 
topical dithranol
topical calcineurin inhibitors = tacrolimus (adults)
phototherapy with narrow band UVB

Question 17

treatment if topical options fail

Answer 17

methotrexate
cyclosporine
retinoids
biologics

Question 18

2 products containing potent steroid and vitamin D analogue

Answer 18

dovobet

enstilar

Question 19

associations

Answer 19

nail psoriasis
psoriatic arthritis
psychosocial
type 2 DM, hyperlipidaemia

Question 20

nail psoriasis

Answer 20

nail pitting 
thickening 
discolouration 
ridging 
anchyloses

Question 21

onchyloses

Answer 21

separation of the nail from the nail bed

Question 22

What % of people does psoriatic arthritis occur in?

Answer 22

10-20