Psoriatic Arthritis Flashcards
What percentage present before psoriasis itself?
15%
Presentation:
Oligoarthritis (2-4 joints) - is it sym/assym?
Polyarthritis - is it sym/assym?
What joint is typically affected?
Where else does it affect?
What is the joint deformity and destruction called?
Symmetrical oligoarthritis (like in RA)
Asymmetrical polyarthritis
DIP
The spine (sacroiliitis)
Psoriatic mutilans - happens in 5%
Signs:
They get inflammation of tendons and the surrounding tendon sheaths in addition to inflammation of the actual joints. What will this cause?
They also get onycholysis. What is it?
They may also get pitting of the nails on the same hand as inflammation.
Dactylitis - that is why they have sausage fingers
Distal nail detachment, preceded by yellow/brown discolouration
Investigations:
XR:
- What is the severe deformity called?
What blood tests can be done to look for inflammation?
What can be tested for specifically which can help support a diagnosis of AS?
Pencil in cup appearance
CRP
ESR
HLA B27 - MAJOR ASSOCIATION
Management:
It is basically managed like RA!
What can be done if just one joint is affected?
Steroid injections
