14 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
cases • Sjögren syndrome ... Vasculitis: • ... Microscopic polyangiitis ... Renal-limited vasculitis ... antibodies #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
): • Microscopic ... pulses, bruis, or blood ... Large Vessel: Blood ... Dx: GPA, EGPA, microscopic ... differential #diagnosis #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- Vasculitis, e.g ... granulomatosis p-ANCA ... - Vasculitis, e.g ... Microscopic polyangiitis ... diagnosis #table #rheumatology
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... Vasculitis There ... pathologically or clinically ... inflammation: • Microscopic ... diagnosis #algorithm #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
small vessels - ANCA-associated ... granulomatosis - microscopic ... Churg-Strauss syndrome ... - Sjögren syndrome ... Vessels #Diagnosis #Rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... • ANCA Associated ... : - Microscopic ... Disease • Cogan syndrome ... #dermatology #rheumatology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Investigations: full blood ... dipstick, urine microscopy ... investigations depending on clinical ... Glomerulonephritis / Vasculits ... : ANCA, ANA, Anti-GBM
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... )): Microscopic ... • Behcet syndrome ... • Cogan syndrome ... Differential #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Hyperviscosity Syndrome ... : • Clinical triad ... DDX: • ANCA (Antineutrophil ... - GPA, EGPA, microscopic ... classification #rheumatology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Summary Autoimmune ANCA ... vasculitis (AAV ... polyangiitis), MPA (microscopic ... reveals increasing blood ... FINDINGS: • U/A: microscopic