Quick Review Cards for Medical Laboratory Science

Abnormal Crystals*continued

Urinalysis and Body

Fluids Review 506

Cholesterol

Bilirubin

*Abnormal crystals are found in acid or neutral urine.

From Strasinger SK, Di Lorenzo MS. Urinalysis and Body Fluids, 5th ed. Philadelphia: FA Davis; 2008:117.

Birefringent.

Chemical tests for bilirubin should

be pos.

Flat plates. Notched out corners.

“Stair-steps.”

Yellowish brown needles,

plates, granules.

Nephrotic syndrome

Liver disease

continued...

CRYSTAL DESCRIPTION SIGNIFICANCE COMMENTS