Casts in Urine FA 539

Question 1

Red cast

Answer 1

Glomerulonephritis, malignant hypertension

Question 2

WBC cast

Answer 2

Tubulointerstitial inflammation, acute pyelonephritis, transplant rejection

Question 3

Fatty casts “oval fat bodies”

Answer 3

Nephrotic syndrome

Question 4

Granular “Muddy brown” casts

Answer 4

Acute tubular necrosis (usually due to hypotension – cariogenic shock)

Question 5

Waxy casts

Answer 5

End stage renal disease/ chronic renal failure

Question 6

Hyaline casts

Answer 6

nonspecific, can be normal finding, often seen in concentrated samples of urine