Summary
Differentials
Common
- Ankylosing spondylitis
- Psoriatic arthritis
- Reactive arthritis
- Undifferentiated spondyloarthropathy
- Calcium pyrophosphate deposition disease (CPPD)
- Gout
- Polymyalgia rheumatica
- Osteoarthritis
- Rheumatoid arthritis
- Systemic lupus erythematosus
- Septic arthritis
- Bacterial endocarditis
- Viral arthritis
Uncommon
- Enteropathic arthritis
- Remitting seronegative symmetric synovitis with pitting oedema syndrome
- Sarcoidosis
- Juvenile-onset or adult-onset idiopathic arthritis
- Overlap syndrome
- Sjogren's syndrome
- Scleroderma
- Polymyositis
- Dermatomyositis
- Systemic vasculitis
- Gonococcal arthritis
- Rheumatic fever
- Lyme disease
- Whipple's disease
- Tuberculous arthritis
- Paraneoplastic arthritis
- Neoplastic carcinomatosis
Contributors
AuthorsVIEW ALL
Professor of Medicine
Chief, Division of Rheumatology and Clinical Immunology
Medical Director, Musculoskeletal Ultrasound Program
Program Director, Rheumatology Fellowship
University of Florida College of Medicine - Jacksonville
Jacksonville
FL
Disclosures
GSK declares that he has no competing interests.
Peer reviewersVIEW ALL
Clinical Professor of Medicine
University of Tennessee Health Science Center
Memphis
TN
Disclosures
JA is a consultant and on the speakers' roster for Abbott, Amgen, Forrest, Roche, Takeda, UCB, Wyeth. JA has received research funding from NIH and the National Psoriasis Foundation.
Associate Professor; Head
Rehabilitation Teaching and Research Unit
Department of Medicine
University of Otago
Wellington
New Zealand
Disclosures
WT declares that he has no competing interests.
Consultant Rheumatologist
Ashford and St Peter's Hospitals NHS Trust
Chertsey
Surrey
UK
Disclosures
RH declares that he has no competing interests.
Clinical Professor of Medicine
University of Washington
Seattle
WA
Disclosures
RR declares that he has no competing interests.
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