Renown Rheumatology
Renown Rheumatology's board-certified rheumatologists provide state-of-the art care for a wide range of autoimmune rheumatic diseases including rheumatoid arthritis, psoriatic arthritis, lupus, Sjogren syndrome, vasculitis, gout, and many more. They use the most advanced evidence-based diagnostic and therapeutic measures to restore health and enhance well-being.
Rheumatic Diseases and Conditions Evaluated by Rheumatologists
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Autoinflammatory Syndromes
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Chronic Pain Syndromes
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Crystalline Arthritis Disorders
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Fibroinflammatory Syndromes
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Inflammatory Arthritis Syndromes
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Metabolic Bone Diseases
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Regional Pain Disorders
Common Diagnostic Studies Used in the Evaluation of Rheumatic Diseases
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Antibody Tests
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Biochemical Tests
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Genetic Tests
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Imaging Studies
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Joint Fluid Aspiration
- Rheumatoid Factor (RF): Confers nonspecific risk of rheumatoid arthritis
- Anti-Citrullinated Protein Antibody (ACPA): Confers specific risk of rheumatoid arthritis
- Anti-Nuclear Antibody (ANA): Confers nonspecific risk of connective tissue disease
- Anti-Neutrophil Cytoplasmic Antibody (ANCA): Confers risk of small vessel vasculitis
- Anti-Phospholipid Antibody (APLA): Confers risk of antiphospholipid syndrome
- Complement proteins 3 and 4 (C3 and C4): Low levels suggest active disease in lupus or related autoimmune diseases
- Urine Protein-to-Creatinine Ratio (UPCR): High levels suggest active lupus nephritis or small vessel vasculitis
- Uric Acid: Elevated in people with gout but may be low during acute gout attack
- Erythrocyte Sedimentation Rate (ESR): Nonspecific indicator of chronic inflammation
- C-Reactive Protein (CRP): Nonspecific indicator of acute inflammation
- Complete Blood Count (CBC): Used to assess the effects of autoimmune diseases and immunosuppressive medications on bone marrow function
- Complete Metabolic Profile (CMP): Used to assess the effects of autoimmune diseases and immunosuppressive medications on kidney and liver functions
- Human Leukocyte Antigen B27 (HLA-B27): Confers risk of spondyloarthropathy
- Human Leukocyte Antigen B51 (HLA-B51): Confers risk of Behcet's disease
- Musculoskeletal Ultrasound: Used at point of care to assess joint inflammation, guide joint injection or joint fluid aspiration
- XR: Used to assess joint damage from inflammation or wearing over time
- CT or MRI: Used to assess joint, muscle, and blood vessel inflammation which are not visualizable on plain XR
- Synovial Fluid Cytology: Used to test for crystals and blood cells in inflamed joints
- Synovial Fluid Gram Stain and Culture: Used to test for infection in inflamed joints
Resources from the American College of Rheumatology
Find helpful resources from the American College of Rheumatology about rheumatic diseases.
American College of Rheumatology Resources
For patients with rheumatic diseases and how to live with them.
Watch the Videos About Educational Videos
Used for the treatments of rheumatic diseases.
Read About Medications About Common Medications
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