Syndrome
|
Urine Sediment
|
Urine Analysis
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Prerenal AKI
|
bland, hyaline casts, a few fine granular casts, occasional renal tubular epithelial cells
|
± protein
|
ATN
|
renal tubular epithelial cells and casts, course granular casts, "muddy brown" casts
|
± protein
|
AIN
|
white blood cells and casts, renal tubular epithelial cells and casts, red blood cells and occasional casts
|
±protein, +leukocyte esterase, + blood
|
Nephritic syndrome
|
dysmorphic RBCs (acanthocytes), red cells and casts, white cells and casts
|
+ protein, ++ blood
|
Nephrotic syndrome
|
lipid droplets, oval fat bodies, birefringent Maltese cross, lipid laden casts, cholesterol crystals
|
+++protein
|
Crystalline nephropathy
|
crystals, renal tubular epithelial cells, white and red cells, may have white cells engulfing crystals
|
± blood, ± LE
|
Osmotic nephropathy
|
swollen renal tubular epithelial cells with cytoplasmic vacuoles, renal tubular epithelial cell and granular casts
|
±protein
|