Casts

Question 1

RBC casts

Answer 1

Glomerulonephritis, malignant HTN

Question 2

WBC casts

Answer 2

Tubulointerstitial inflammation, acute pyelo, transplant rejection

Question 3

Fatty casts (oval fat bodies)

Answer 3

Nephrotic syndrome

Question 4

Granular/muddy brown casts

Answer 4

Acute tubular necrosis

Question 5

Waxy casts

Answer 5

ESRD, chronic renal failure

Question 6

Hyaline casts

Answer 6

Non-specific, can be a normal finding, often seen in concentrated urine samples