Radiopaque dye Crystals is considered abnormal in urine
Appearance: flat needles or sheaves accompanied by round globules but are variable in form.
When the presence of radiopaque ...
Calcium oxalate crystals (shown above) can be present in urine when oxalate-rich foods such as tomatoes, spinach, garlic, oranges, and asparagus are ingested.
Calcium oxalate ...
Triple Phosphate crystals are normal in urine
Appearance: typically appear in “coffin-lid” form. May also appear as “fern-leaf” shape if freshly formed.
Although ...
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 ...