8 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Associations ANA ... Microscopic polyangiitis ... Anti-GBM - Goodpasture's ... #table #rheumatology ... #antibodies
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... Vasculitis: • Microscopic ... ANCA+ 90% • Anti-GBM ... Antineutrophil #antibodies ... #diagnosis #rheumatology
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
selected glomerular diseases ... (IM) - Electron ... Microscopy (EM) ... Amyloid RPGN • Anti-GBM ... #nephrology #pathology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
polyangiitis, Microscopic ... testing: anti-ANCA ... ab, anti-GBM ab ... biopsy By Tess Litchman ... differential #diagnosis #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
proliferative • Anti-GBM ... antibodies ... polyangiitis (GPA) / microscopic ... Minimal change disease ... #Proteinuria #Nephrology
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
Anti-GIomeruIar ... (Goodpasture's Disease ... Diagnosis: • Anti-GBM ... weeks By Tess Litchman ... AntiGBM #diagnosis #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... glomerulonephritis) • Anti-GBM ... Dx: GPA, EGPA, microscopic ... C-ANCA) pattern: antibodies ... differential #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... Interstitial lung disease ... (also seen in association ... • ANA < 20 % IBM ... Myositis #Myopathy #rheumatology