Psoriatic arthropathy

Question 1

what is psoriatic arthropathy?

Answer 1

• inflammatory arthritis with psoriasis
• seronegative spondyloarthropathies

Question 2

Presentation of PA?

Answer 2

• symmetric polyarthritis (very similar to RA)
• asymmetrical oligoarthritis (affects hand and feet)
• sacroilitis
• DIP joint disease
• arthritis mutilans (severe deformity fingers/ hand, telescoping fingers)
• psoriatic skin lesions
• tenosynovitis (flexor of hands)
• dactylics (diffuse swelling of finger or toe)
• Pitting
• onycholysis

Question 3

Investigation for PA?

Answer 3

Xray
- pencil in cup appearance
- periostitis

Question 4

Management of PA?

Answer 4

• just NSAID with mild manifestation
• monoclonal antibodies (ustekinumab and secukinumab)
• apremilast

has better prognosis than RA