Info

Major clinical manifestations of seronegative spondyloarthritis

  • Inflammatory back pain: SI joints (sacroiliitis), apophyseal joints of spine
    • characterized by IPAIN
    • a.m. stiffness,
    • responsive to NSAIDs
  • Peripheral arthritis:
    • typically asymmetric, oligoarticular, large joints, lower >upper limbs;
    • however, can be symmetric & polyarticular (thus, mimic RA), espec. in psoriatic arthritis
  • Enthesitis: 是: 一種炎症性關節疾病,主要影響肌腱或韌帶連接到骨頭的 → 部位,造成 ↪ 疼痛、腫脹和功能障礙
    • inflammation at ↣ site of tendon/ligament insertion into bone, esp Achilles,
    • plantar fascia (calcaneal insertion),
    • pre-patellar,
    • elbow epicondyles
  • Rigidity of spine:
    • bamboo spine by X-ray, ankylosis due to progressive growth of bony spurs that bridge intervertebral disc
  • Dactylitis:
    • sausage digit” inflammation of entire digit (joint + tenosynovial inflamm)
  • Uveitis:
    • anterior uveitis most common extra-articular manifestation in seronegative SpA;
    • usually unilateral and p/w pain, red eye, blurry vision, photophobia