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34 terms

Urine Crystals

Crystals found in the urine upon microscopic examinations
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Crystals found in Acidic Urine Only
Uric Acid
Amorphous Urates
Cystine
Cholesterol
Bilirubin
Crystals found in Alkaline Urine Only
Triple Phosphate
Ammonium Biurate
Calcium Carbonate
Crystals found in Acid/Neutral Urine
Calcium Oxalate
Leucine
Tyrosine
Crystals found in Alkaline/Neutral Urine
Amorphous Phosphates
Uric Acid
yellowish-brown, rhombic plates, rosettes, wedges, and needles in acidic urine
Amorphous Urates
Brick dust/yellowish-brown granules, often in clumps
in acidic urine
Calcium Oxalate
colorless "envelopes" in acidic/neutral urine
Amorphous Phosphates
white colorless granules in alkaline/neutral urine
Triple Phosphate
colorless prisms resembling "coffin lids" in alkaline urine
Ammonium Biurate
Yellowish-brown spicule-covered spheres resembling "throny-apples" in alkaline urine
Calcium Carbonate
colorless dumbells or spheres in alkaline urine
Cystine
colorless hexagonal plates in acidic urine
Cholesterol
colorless rectangular plates with a notch in one or more corners in acidic urine
Leucine
Yellowish-brown spheres with concentric circles with radial striations in acidic/neutral urine
Bilirubin
Yellow clumped needles in acidic urine
Tyrosine
colorless/yellow fine needles in acidic/neutral urine
Uric Acid
Amorphous Urates
Calcium Oxalate
Amorphous Phosphates
Triple Phosphate
Ammonium Biruate
Calcium Carbonate
Cystine
Cholesterol
Leucine
Tyrosine
Bilirubin
Abnormal Crystals in Urine
Cystine
Cholesterol
Leucine
Tyrosine
Bilirubin
Normal Crystals in Urine
Uric Acid
Amorphous Urates
Calcium Oxalate
Amorphous Phosphate
Triple Phosphate
Ammonium Biurate
Calcium Carbonate
Tyrosine & Leucine
seen in severe liver disease
Cystine
seen in cystinuria
Cholesterol
seen in Nephrotic Syndrome
Bilirubin
seen in liver disease