105 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 ... to Kidney: Anti-GBM ... involvement: Anti-GBM ... StanfordChiefs #RPGN
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Glomerulonephritis (MPGN ... 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
in patient with clinical ... presentation of RPGN ... Urine #Microscopy #clinical
Cryoglobulinemia Classification Types

Type 1: Monoclonal IgM (rarely IgG/lgA)
 • Raynaud phenomenon, Digital ulcers/gangrene, Livedo reticularis, Hyperviscosity
Liver, kidney (MPGN
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Cytomegalovirus; GBM ... atypical HUS; MPGN
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
GN • Amyloid RPGN ... • Anti-GBM disease
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Orange or Hep C Clinical ... • MPGN: Paraneoplastic
Guide to systemic mastocytosis

Criteria for diagnosis: at least 1 major and 1 minor or 3 minor
aggregates) in BM ... are atypical on BM ... Hypercellular BM ... criteria for MDS or MPN ... algorithm #diagnosis #clinical