8.3 Nephritic Flashcards
(36 cards)
characteristics of nephritic syndromes that are not in nephrotic
red blood cell casts
elevated Cr
what strains of GAS are nephritogenic
1, 4, 12 (have M protein)
post strep glomerulonephritis is a subset of
acute proliferative glomerulonephritis
immune complex mediated: deposits Ag/Ab complexes
acute proliferative glomerulonephritis
diffuse proliferation / hypercellular glomerular cells, WBC influx
acute proliferative glomerulonephritis
IgG, IgM, C3 in mesangium and along GBM
poststrep glomerulonephritis
subepithelial electron dense humps on EM
poststrep glomerulonephritis
hypercellular and enlarged glomerulus
poststrep glomerulonephritis
Henoch Schonlein purpura is a subset of
IgA nephropathy, which is in Type II RPGN
Wegener is a subset of
Type III (pauci-immune) RPGN
Goodpasture syndrome is a subset of
Type I (anti-GBM) RPGN
post infectious glomerulonephritis is a subset of
Type II (immune complex) RPGN
lupus nephritis is a subset of
Type II (immune complex) RPGN
cellular and fibrous crescents
RPGN
linear deposits of IgG and C3 in GBM
Type I (anti-GBM) RPGN
antigen to NC1 domain of alpha 3 chain of collagen type IV
Goodpasture syndrome (type I RPGN)
both renal and pulmonary (hemoptysis) involvement
- & how to treat
Goodpasture syndrome
plasmapheresis
granular / lumpy bumpy pattern on IF
Type II (immune complex) RPGN
lack Ab or immune complexes
Type III (pauci-immune) RPGN
IgA nephropathy also called
Berger disease
older children and young adult with gross hematuria after an infection of respiratory, GI, or urinary tract
IgA nephropathy (Berger disease)
hematuria on and off
IgA nephropathy (Berger disease)
IgA in mesangium
IgA nephropathy (Berger disease)
person w/ gluten allergy more susceptible to
IgA nephropathy (Berger disease) - increase synthesis of IgA