Urinalysis - The Carter Center

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pyelonephritis. Its appearance in the urine is called
cystinuria.
d. Cholesterol
- Rarely found.
- Colorless and retractile.
- Have “broken window” shape, with notches on one side.
- 50-100 μm in size.
- Soluble in ether.
- Seen in case of elevated cholesterol, chyluria.
e. Tyrosine
- Rarely found.
- Colorless or yellowish.
- Have fine silky needle in sheaves or rosettes shape.
- Indicate protein break down problem, or severe liver
disease.
f. Leucine
- Rarely found.
- Yellow to yellow brown in color.
- Spheroid in shape with striation.
- Seen in case of protein breakdown problem, or severe liver
disease.
- Lucien and Tyrosine crystals may occur together. Both are
amino acids usually; in case of severe liver disease, they will
not be metabolized, and excreted in urine.
g. Bilirubin
- Very rarely seen.
- Have reddish brown color.
- Seen in case of elevated Bilirubin.