27 results
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
selected glomerular diseases ... Microscopy (EM) ... Minimal change disease ... Amyloid RPGN • Anti-GBM ... #glomerular #diseases
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
their Disease Associations ... ANA - Non-specific ... - Graves' disease ... (TTG) - Celiac disease ... Anti-GBM - Goodpasture's
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Peripheral edema, Disease-specific ... vasculitis, Behcet disease ... Goodpasture's Disease ... ab, anti-GBM ab ... , ANA, C3, C4, anti-CCP
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
connective tissue disease ... Vasculitis: • Microscopic ... + 90% • Anti-GBM ... disease - MPO>PR3 ... #diseases
Systemic Sclerosis Associated Autoantibodies
Anti-topoisomerase I (anti-Sc170): Diffuse skin disease, Pulmonary fibrosis
Anti-centromere: Limited skin disease (~93-95%), Pulmonary
Diffuse skin disease ... : Limited skin disease ... Biliary Cirrhosis Anti-RNA ... , Overlap BCM IM ... Autoantibodies #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Henoch-SchonIein Purpura Anti-GBM ... Limited to Kidney: Anti-GBM ... involvement: Anti-GBM ... Disease (Goodpasture's
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
) ANA or Anti-NucIear ... Using fluorescence microscopy ... Disease! ... , Interstitial Pulmonary ... #patterns #rheumatology
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
cells on urine microscopy ... disease • ... wall) • Anti-GBM ... • Pauci-immune disease ... with polyangiitis/microscopic
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... proliferative • Anti-GBM ... polyangiitis (GPA) / microscopic ... Minimal change disease ... #Proteinuria #Nephrology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... antibody, Anti-GBM ... usually low in anti-GBM ... Goodpasture's cause