11 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
disease c-ANCA - Vasculitis ... Microscopic polyangiitis ... Associations #diseases #diagnosis ... #table #rheumatology ... #antibodies
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... Churg-Strauss syndrome ... #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Associated: - Microscopic ... Disease • Cogan syndrome ... #dermatology #rheumatology ... #differential #diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... cases • Sjögren syndrome ... ANCA-Associated Vasculitis ... : • Microscopic ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... PR3-ANCA): • Microscopic ... Dx: GPA, EGPA, microscopic ... C-ANCA) pattern: antibodies ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Hyperviscosity Syndrome ... Labs/Diagnosis: ... - GPA, EGPA, microscopic ... Cryoglobulins #diagnosis ... classification #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... SLE), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... polyangiitis), MPA (microscopic ... palpable purpura 2/2 vasculitis ... EGPA) • Auto-antibodies ... FINDINGS: • U/A: microscopic
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

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

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... (PR3-ANCA)): Microscopic ... • Cogan syndrome ... #Rheumatology