7 - Derm - Psoriasis - Erythrodermic psoriasis and Psoriatic arthritis

Question 1

ED psoriasis - what happens? what may precipitate it?

Answer 1

90% of body is covered by severe inflammation

may be by steroid withdrawal

Question 2

ED P - systemic Sx? prognosis?

Answer 2

malaise fever
potentially fatal
monitoring required

Question 3

ED P - risk of…?

Answer 3

hypothermia
fluid loss
hypoalbuminaemia
high output cardiac failure (incr bl flow) syndrome

Question 4

psoriatic arthritis - % of pts? onset age? one defining feature?

Answer 4

~10%
typical age 40-60
occurs independently from (or without) skin symptoms

Question 5

5 different patterns of psoriatic arthritis?

Answer 5

1 - monoarthritis or oligoarthritis (knees, ankles, MCPs)
2 - symmetrical polyarthritis (life RA) -wrist, DIPs
3 - asymmetrical polyarthritis
4 - spondylitis (like AS)
5 - arthritis mutilans - severe deformity