83 results
Intrinsic Renal Disease - Differential Diagnosis
Vascular:
 • Macrovascular: Renal artery occlusion, Fibromuscular disease
 • Microvascular: TTP/HUS,
, Amyloidosis, MPGN ... • Nephritic: RPGN ... , IgA, Alport, MPGN
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Glomerulonephritis (RPGN ... ) RPGN has three ... pathophysiologic causes ... to Kidney: Anti-GBM ... StanfordChiefs #RPGN
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Glomerulonephritis (MPGN ... dysmorphic RBC, RBC casts ... Complement-Mediated MGPN ... , CFHR5 neph) MPGN ... Glomerulonephritis #MPGN
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
Glomerulonephritis (RPGN ... Basement Membrane (GBM ... Linear, ribbon-like GBM ... Glomerulonephritis #RPGN
Acanthocyte on Urine Microscopy

Not a spaceship, not a UFO, just an acanthocyte caught “flying” in dark
presentation of RPGN
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Cytomegalovirus; GBM ... atypical HUS; MPGN ... cell/white cell casts ... Nephrocalcinosis causes
Cryoglobulinemia Classification Types

Type 1: Monoclonal IgM (rarely IgG/lgA)
 • Raynaud phenomenon, Digital ulcers/gangrene, Livedo reticularis, Hyperviscosity
Liver, kidney (MPGN
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
Causes of acute ... and post-renal causes ... Renal causes of ... GBM, Glomerular ... Differential #Locations #Causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... RBCs and/or RBC casts ... nephropathy • Thin GBM ... ) • Anti-GBM ... Diagnosis #Algorithm #Causes
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
GN • Amyloid RPGN ... • Anti-GBM disease