10 results
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
(IM) - Electron ... Microscopy (EM) ... Nephrotic syndrome ... 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 ... Basement Membrane ... ab, anti-GBM ab ... biopsy By Tess Litchman ... differential #diagnosis #nephrology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
(Diffuse) Anti-Sm ... La) - Sjogren's syndrome ... Microscopic polyangiitis ... Anti-GBM - Goodpasture's ... syndrome #Autoantibodies
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
of glomerular disease ... Basement Membrane ... staining on IF • No EM ... + • c-ANCA: anti-proteinase ... Differential #Diagnosis #Nephrology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-Sm (Smith) ... cases • Sjögren syndrome ... Vasculitis: • Microscopic ... ANCA+ 90% • Anti-GBM ... disease - MPO>PR3
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
Anti-GIomeruIar ... Disease) What ... Diagnosis: • Anti-GBM ... weeks By Tess Litchman ... AntiGBM #diagnosis #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
• Fanconi's syndrome ... 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
membrane: Goodpasture ... life-threatening diseases ... Inflammatory eye disease ... ANCA antibody, Anti-GBM ... usually low in anti-GBM
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Borrelia (Lyme Disease ... Viruses (HSV, EBV ... ; Positive for anti-ganglioside ... - brain stem encephalitis ... Diagnosis #Causes #Neurology
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
(Dense deposit disease ... immune deposits on EM ... microangiopathy (TMA), anti-phospholipid ... syndrome, post-bone ... Glomerulonephritis #MPGN #nephrology