Monoarticular arthritis

Background

Clinical Features

Differential Diagnosis

Septic Arthritis

  • Gonococcal Arthritis
  • Nongonococcal Arthritis
  • Arthritis-Dermatitis Syndrome

Crystal-Induced Monoarthritis

Traumatic

  • Fracture
  • ligamentous
  • Overuse

Ischemic

  • Avascular necrosis
  • Decompression illness
  • Spontaneous osteonecrosis
  • pain in abscence of trauma
  • femoral head, medial conyle of knee

Hemorrhagic

  • Posttraumatic
  • Hemophilia
  • Systemic anticoagulation

Neoplastic

  • Mets
  • Osteochondroma
  • Osteoid osteoma
  • Pigmented villonodular synovitis

Systemic Disease

  • Remote infxn, infectious endocarditis
  • Rheumatic fever
  • Seronegative (no RF) spondyloarthropathies (AS, IBS, psoriatic, reactive or Reiter's)
  • Rheumatoid arthritis, SLE
  • Sarcoidosis, amyloidosis

Periarticular (mimic joint involvement)

  • Cellulitis
  • Tendonitis
  • Bursitis

Pediatric

Diagnosis

Management

Disposition

See Also

References