20 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... Churg-Strauss syndrome ... - Sjögren syndrome ... #Vessels #Diagnosis ... #Rheumatology #Diagnosis
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... retroorbital mass) • Microscopic ... Interstitial lung disease ... and Sjogren's syndrome ... #diagnosis
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
La) - Sjogren's syndrome ... c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... Microscopic polyangiitis ... #diagnosis #table
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... ANCA-positive vasculitis ... polyangiitis, Microscopic ... ANCA-negative vasculitis ... #differential #diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... basement membrane disease ... - Alport syndrome ... of GN or vasculitis ... of glomerular disease
Chronic Diarrhea - Differential Diagnosis Algorithm
Steatorrhea
 - Maldigestive
    • Pancreatic Insufficiency
 - Primary
Chronic Diarrhea ... - Differential Diagnosis ... Irritable Bowel Syndrome ... Cancer • Microscopic ... Lymphoma #Chronic #Diarrhea
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Associated: - Microscopic ... : • Behcet Disease ... • Cogan syndrome ... #differential #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... PR3-ANCA): • Microscopic ... : • Behçet Syndrome ... • Cogan Syndrome ... Dx: GPA, EGPA, microscopic
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
cases • Sjögren syndrome ... ANCA-Associated Vasculitis ... : • Microscopic ... Renal-limited vasculitis ... Antineutrophil #antibodies #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Differential Diagnosis ... : Vasculitis: ... Polyarteritis nodosa • Microscopic ... • Goodpasture syndrome ... dermatology #rash #diagnosis