Calcium carbonate crystals are normal in urine Appearance: small, colorless granules or dumbbells. Not clinically significant but can be confused with other elements. A unique feature ...

RBC and WBC in Urine Sediment – The upper arrow shows white blood cell – The lower arrow shows red blood cell

mostly PMNs Causes: renal infarction, infections,acute/interstitial/lupus nephritis …. when cells degenerate–>granular appearance    

 2-6x wider than ordinary casts

RED CELL CASTS means renal hematuria, always pathologic Causes: acute glomerulonephritis, lupus nephritis, Goodpastures, SBE, renal trauma,renal infarction, severe pyelonephritis, ...

Bacteria, transitional epithelial cells, and white blood cells in urine sediment

 

Amorphous urates are normal in urine. Appearance: often appear in noncrystalline amorphous form. Have yellowish-brown (pinkish) granular appearance. In urine with uric acid in it, ...

Learn how we report wbc count in high power field of Urinalysis

Cholesterol crystals are abnormal in urine Appearance: clear, flat plates with notched corners. The appearance of cholesterol is associated with the Nephrotic Syndrome. Cholesterol ...

Leucine crystals are abnormal in urine Appearance: yellow-brown spheroids with concentric rings around the outer edge and radial striations in the center. Leucine crystals may be ...