Casts in Urine Flashcards
1
Q
RBC casts
A
Glomerulonephritis
Ischemia
Malignant hypertension
2
Q
WBC casts
A
Tubulointerstitial inflammation
Acute pyelonephritis
Transplant rejection
3
Q
Fatty casts (“oval fat bodies”)
A
Nephrotic syndrome
4
Q
Granular (“muddy brown”) casts
A
Acute tubular necrosis
5
Q
Waxy casts
A
Advanced renal disease/chronic renal failure
6
Q
Hyaline casts
A
Nonspecific
Can be a normal finding, often in concentrated urine samples
7
Q
Hematuria/pyuria + casts
Origin?
A
Renal origin
8
Q
Hematuria + NO casts
Origin?
A
Bladder cancer
Kidney stones
9
Q
Pyuria + NO casts
Origin?
A
Acute cystitis
10
Q
Nephritic syndrome
A
RBC casts
11
Q
Nephrotic syndrome
A
Fatty casts
12
Q
Pyelonephritis (acute)
A
WBC casts
13
Q
Pyelonephritis (chronic)
A
Waxy casts
14
Q
Advanced renal disease or chronic renal failure
A
Waxy casts
15
Q
Acute tubular necrosis
A
Granular “muddy brown” casts
