Causes of Symmetrical deforming polyarthritis


Rheumatoid arthritis [top]

  • Symmetrical deforming polyarthritis polyarthritis or monoarthritis Hand pain or deformity
  • Involvement of small joints of hands, wrists, knees knee pain
  • Morning stiffness
  • Can lead to severe deformities including swan-neck and boutonniere deformities
  • Usually RF+ve

Psoriatic arthritis [top]

  • May have other clinical features of psoriasis including nail pitting. Usually RF-ve.
  • Assymetric: Monoarthritis or oligoarthritis
  • Symmetrical deforming polyarthritis polyarthritis particularly distal interphalangeal joints hand pain or deformity
  • Rheumatoid-arthritis like
  • Arthritis mutilans
  • Ankylosing spondylitis-like