Psoriatic arthritis Flashcards
describe psoriatic arthritis
inflammatory arthritis associated with psoriasis
will typically happen within 10 years of skin changes
what are some different pattens of psoriatic arthritis
symmetrical polyarthritis
- hands, wrist, ankles, DIPJs, F>M
asymmetrical pauciarthritis
- digits and joints of the feet
spondylitic
- spine, atlantio-axial, sacroillitis, achilles tendon and plantar fascia, M>F
what are signs of psoriatic arthritis
plaques, nail pitting, onycholysis
dactylitis
enthesitis (inflammation where tendons insert into bone)
conjunctivitis and anterior uveitis
aortitis
amyloidosis
what screening tool can be used for psoriatic arthritis
PEST
psoriasis epidemiological screening tool
recommended for pts with psoriasis to screen for arthritis
what are XR findings for psoriatic arthritis
periostitis - irregular bone outline
ankylosis - bones join together
osteolysis - scalloped or indented outline
dactylitis - soft tissue swelling
‘pencil in cup’ appearance
what is the most severe for of psoriatic arthritis
arthritis mutilans
affects the phalanxes
osteolysis around the phalanxes causing the digits to shrink - telescopic fingers
what are the management options for psoriatic arthritis
NSAIDs - pain only
DMARDs
Anti-TNF
which DMARDs could be used to treat psoriatic arthritis
methotrexate
leflunomide
sulfasalazine