4 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Crystalline - Gout ... ’s syndrome) Aseptic ... psoriasis (7-30%) • Inflammatory ... secondary) • Rheumatoid
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid ... arthritis, Ankylosing ... the extent of disease ... wasting Bone/Joint ... : • Amyloid arthropathy
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
synovial fluid • Gout ... polarized light microscopy ... urate crystals (gout ... RF (if clinical ... #Disease #Rheumatoid
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
rheumatic diseases ... occasional oligoclonal bands ... (PR3-ANCA)): Microscopic ... Palpable purpura, joint ... : Ocular inflammatory