121 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Rheumatic Disease ... Vasculitis, Systemic ... Sclerosis, Sjogren's Disease ... Ankylosing Spondylitis, Psoriatic ... Differential #Diagnosis #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Onycholysis - Psoriatic ... • Pitting - Psoriatic ... , Vasculitis (e.g ... of digits • Psoriatic ... differential #diagnosis #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of Vasculitis ... Vasculitis of ... central nervous system ... - systemic ... Vessels #Diagnosis #Rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Plaques • Psoriasis ... Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... arthritis • Psoriatic ... differential #diagnosis #rheumatology
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... Interstitial lung disease ... Cryoglobulinemic vasculitis ... and C viruses. systemic ... syndrome • IgA vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
central nervous system ... Differential Diagnosis: Systemic ... , such as systemic ... Presentation - Systemic ... differential #diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Molecular Mimicry” • Psoriatic ... skin disorder psoriasis ... Inflammatory Bowel Disease ... autoimmune disease ... Lupus - with Systemic
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... ANCA associated vasculitis ... : IgG4-Related Disease ... Arthritis (RA), Systemic ... Differential #Diagnosis #rheumatology
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Hyperferritinemia Pearl: Diseases ... Still's disease ... Systemic histoplasmosis ... Differential #Diagnosis #Hematology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
antibodies) • Systemic ... drug-induced SLE) • Systemic ... ANCA-Associated Vasculitis ... Renal-limited vasculitis ... antibodies #diagnosis #rheumatology