Casts in Urine Flashcards

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1
Q

RBC casts

A

Glomerulonephritis
Ischemia
Malignant hypertension

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2
Q

WBC casts

A

Tubulointerstitial inflammation
Acute pyelonephritis
Transplant rejection

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3
Q

Fatty casts (“oval fat bodies”)

A

Nephrotic syndrome

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4
Q

Granular (“muddy brown”) casts

A

Acute tubular necrosis

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5
Q

Waxy casts

A

Advanced renal disease/chronic renal failure

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6
Q

Hyaline casts

A

Nonspecific

Can be a normal finding, often in concentrated urine samples

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7
Q

Hematuria/pyuria + casts

Origin?

A

Renal origin

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8
Q

Hematuria + NO casts

Origin?

A

Bladder cancer

Kidney stones

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9
Q

Pyuria + NO casts

Origin?

A

Acute cystitis

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10
Q

Nephritic syndrome

A

RBC casts

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11
Q

Nephrotic syndrome

A

Fatty casts

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12
Q

Pyelonephritis (acute)

A

WBC casts

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13
Q

Pyelonephritis (chronic)

A

Waxy casts

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14
Q

Advanced renal disease or chronic renal failure

A

Waxy casts

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15
Q

Acute tubular necrosis

A

Granular “muddy brown” casts

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16
Q

Malignant HTN

A

RBC casts