98 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
- Kawasaki disease ... granulomatosis - microscopic ... and infectious diseases ... #Rheumatology # ... Diagnosis
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and their Disease ... Anti-TSHR - Graves' disease ... connective tissue disease ... (TTG) - Celiac disease ... #Associations #diseases
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... retroorbital mass) • Microscopic ... Interstitial lung disease ... Cryoglobulinemic vasculitis ... #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pain • Kawasaki Disease ... (Granulomatous disease ... well as inner ear disease ... atherosclerotic disease ... most important diseases
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Scleritis, Heart Disease ... , Rheumatoid Vasculitis ... Nodules, Pulmonary Disease ... #rheumatology # ... signs #symptoms
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Associated: - Microscopic ... : • Behcet Disease ... #dermatology #rheumatology ... #differential #diagnosis
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... polychondritis, Behcet's Disease ... ) • Rheumatic Diseases ... : IgG4-Related Disease ... #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
connective tissue disease ... : • Microscopic ... 90% • Anti-GBM disease ... #rheumatology # ... diseases
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
presentation of the disease ... GPA causes disease ... Usually parallel the disease ... Mycobacterial diseases ... ) • Castleman disease
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
and Associated Diseases ... Morphologies #Key #Atlas #Microscopy ... #Pathology #Hematology ... #Diagnosis #Dyspmorphic ... Pathologic Basis of Disease