7 results
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
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
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-Sm (Smith) ... Vasculitis: • Microscopic ... polyangiitis without renal ... ANCA+ 30-60% • Renal-limited ... ANCA+ 90% • Anti-GBM
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
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
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
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 ... Glomerulonephritis #MPGN #nephrology ... #diagnosis #renal