22 results
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
(IM) - Electron ... Microscopy (EM) ... Amyloid RPGN • Anti-GBM ... #nephrology #pathology ... comparison #table #diagnosis
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
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and their Disease ... Microscopic polyangiitis ... Anti-GBM - Goodpasture's ... #diagnosis #table ... #rheumatology #antibodies
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
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential Diagnosis ... cells on urine microscopy ... disease • ... wall) • Anti-GBM ... antibodies
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... polyangiitis, Microscopic ... ab, anti-GBM ab ... #differential #diagnosis ... #nephrology
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 ... antibodies (linear ... Limited to Kidney: Anti-GBM ... pulmonary involvement: Anti-GBM
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
- Differential Diagnosis ... Wegener's) • P-ANCA: Microscopic ... Churg Strauss) Anti-GBM ... #differential #diagnosis ... #nephrology #causes
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
- Differential Diagnosis ... Glomerulonephritis • Anti-GBM ... antibodies • ... polyangiitis /microscopic ... #KidneyInjury #Nephrology
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
hemorrhage Diagnosis ... : • Anti-GBM antibodies ... weeks By Tess Litchman ... Goodpastures #AntiGBM #diagnosis ... #nephrology #pulmonary