Psoriatic Arthritis Flashcards
1
Q
Most common pattern of presentation?
A
Distal interphalangeal arthritis
2
Q
What does distal interphalangeal arthritis look like on an x-ray?
A
Pencil in cup!
3
Q
What does arthritis mutilans look like?
A
Bone shortening- “telescopic fingers”
4
Q
Where do the erosions occur in psoriatic arthritis?
A
Centrally in the joint, not juxta-articular
Produce “pencil in cup” appearance
5
Q
Treatment to slow development of joint damage in psoriatic arthritis?
A
Sulfasalazine/methotrexate
-Local synovitis responds to intra-articular corticosteroid injections
(when the disease is severe, methotrexate or ciclosporin is given because they both control the skin lesions)
