Urinary Casts and Their Clinical Significance
Type of Cast
Hyaline Casts
Granular Casts
Epithelial Cell Casts
Fatty Casts
Pigment Casts
Red Blood Cell Casts
White Blood Cell Casts
Eosinophiluria
Waxy Casts
Necroturia
Associated Conditions
Dehydration, Pre-renal failure
Muddy brown casts seen in Acute Tubular Necrosis (ATN)
ATN, Viral infections (e.g., Cytomegalovirus), Nephrotoxic
exposure
Nephrotic syndrome, Minimal Change Disease
Hemolytic anemia, Rhabdomyolysis
Glomerulonephritis, Systemic Lupus Erythematosus (SLE),
Goodpasture’s syndrome
Acute Allergic Interstitial Nephritis, Post-streptococcal
Glomerulonephritis
Acute Allergic Interstitial Nephritis
Chronic Kidney Failure
Bladder Cancer (Leukocytes in urine with weight loss)