22 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... cases • Sjögren syndrome ... Vasculitis: • ... Microscopic polyangiitis ... antibodies #diagnosis #rheumatology
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... inflammation: • Microscopic ... #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... • ANCA Associated ... : - Microscopic ... Disease • Cogan syndrome ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... ): • Microscopic ... mucositis - Rash ... Dx: GPA, EGPA, microscopic ... #rheumatology #
Granulomatosis with Polyangiitis (GPA) and Microscopic Polyangiitis (MPA) - ANCA Vasculitis Management Algorithm - ACR/VF 2021
Polyangiitis (GPA) and Microscopic ... Polyangiitis (MPA) - ANCA ... Vasculitis Management ... Algorithm - ACR ... #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
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
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
(C-ANCA): GPA > ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm ... #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Sjogren's, GPA, EGPA, Microscopic ... Measurement of antinuclear ... #Differential #
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... SLE), Sjogren's Syndrome ... Kumfer @AnnKumfer #Antinuclear ... #patterns #rheumatology ... #diagnosis #differential