DIFFERENTIAL DIAGNOSIS FOR POLYARTICULAR ARTHRITIS
Lyme Disease
Seronegative Spondyloarthropathies
Ankylosing Spondylitis
Psoriatic Arthritis
Enteropathic Arthritis
Crystal-induced Arthritis
Calcium Pyrophosphate Dihydrate Disease (Pseudogout)
Apatitie Crystal Deposition Disease
Oxalate or Liquid-Lipid Crystal Disease
Malignancy
Tumor Associated
Paraneoplastic Syndromes
Hypertrophic Osteoarthropathy
Systemic Lupus Erythematosus (SLE)
Vasculitis
Polymyositis
Leukemia
Lymphoma