54 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
Vasculitis A group ... , small-vessel vasculitis ... polyangiitis (GPA), microscopic ... involvement - PR3>MPO Microscopic ... PR3 #Diagnosis #Rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
seen in 30—70% of cases ... Vasculitis: • ... Microscopic polyangiitis ... Renal-limited vasculitis ... antibodies #diagnosis #rheumatology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine sediment Microscopic ... urine sediment by microscopy ... : - RBC casts ... Diagnostic of GN or vasculitis ... microscopic and
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
biliary cirrhosis (PBC ... - Vasculitis, e.g ... - Vasculitis, e.g ... Microscopic polyangiitis ... diagnosis #table #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
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... Vasculitis There ... inflammation: • Microscopic ... #diagnosis #algorithm ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
multiplex • Hematuria ... ): • Microscopic ... tract, and often causes ... Lab Tests: • CBC ... differential #diagnosis #rheumatology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Dyspnea, Fever, Hematuria ... vasculitis (Eosinophilic ... polyangiitis, Microscopic ... vasculitis, Behcet ... Investigations • Labs: CBC
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... (C-ANCA): GPA > ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... • ANCA Associated ... : - Microscopic ... #skin #dermatology ... #rheumatology #