Psoriatic Arthritis Flashcards

1
Q

Psoriatic Arthritis

A

Arthritis with associated psoriasis

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2
Q

Patterns of joint involvement in psoriatic arthritis

A

Asymmetrical oligoarthritis 60%
Distal arthritis of the DIP joints

Symmetrical polyarthritis: 15%

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3
Q

Features of psoriatic arthritis

A
Psoriatic plaques
Nail changes:
- Pitting 
- hyperkeratosis
- Onchyolysis

Enthesitis: Achilles tendonitis, plantar fasciitis

Dactylitis

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4
Q

Nail changes

A
  • Pitting
  • hyperkeratosis
  • Onchyolysis
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5
Q

Psoriatic arthritis xray

A

Erosion → “pencil-in-cup” deformity

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6
Q

Mx of psoriatic arthritis

A

NSAIDs
Sulfasalazine, methotrexate, ciclosporin
Anti-TNF

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7
Q

Ix

A

Joint examination
Basic obs
Bloods - negative RF, raised CRP
- urate - exclude gout

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