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

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... ): • Microscopic ... Vasculitis: + MPO-ANCA ... Dx: GPA, EGPA, microscopic ... differential #diagnosis #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... , Cogan's Syndrome ... Nodosa (PAN), ANCA ... associated vasculitis ... Differential #Diagnosis #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Vasculitis of ... small vessels - ANCA-associated ... granulomatosis - microscopic ... - systemic lupus ... Vessels #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
DDX: • ANCA (Antineutrophil ... - GPA, EGPA, microscopic ... • Vasculitis ... classification #rheumatology ... #vasculitis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pauci-Immune: - ANCA-positive ... polyangiitis, Microscopic ... polyangiitis) - ANCA-negative ... vasculitis, Behcet ... testing: anti-ANCA
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
ANA - Non-specific ... c-ANCA - Vasculitis ... granulomatosis p-ANCA ... Microscopic polyangiitis ... diagnosis #table #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Using fluorescence microscopy ... Rheumatic Diseases ... • Rheumatic Diseases ... #patterns #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
ANCA Associated ... : - Microscopic ... : • Behcet Disease ... • Cogan syndrome ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Diagnosis: • ANCA-associated ... vasculitis, rheumatoid ... • Mesenteric vasculitis ... inflammation Cutaneous Vasculitis ... Erythematosus #Diagnosis #Rheumatology