Differential Diagnosis
Hyaline casts as indicative of:
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Glomerulonephritis
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Pyelonephritis
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Chronic renal disease
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Congestive heart failure
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Strenuous exercise
Red blood cell casts as indicative of:
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Glomerulonephritis
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Strenuous exercise
White blood cell casts as indicative of pyelonephritis
Epithelial cell casts as indicative of renal tubular damage
Granular casts as indicative of:
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Stasis of urine flow
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UTI
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Strenuous exercise
Waxy casts as indicative of stasis of urine flow
Fatty casts as indicative of nephrotic syndrome
Suggested Additional Lab Testing
Serum or plasma BUN or creatine is useful to assess general renal function.
If there is a concern for infection, complete blood count (CBC) with white blood cell (WBC) count and differential may be useful.
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