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Struvite Crystals - Struvite crystals usually appear as colorless, 3-dimensional, prism-like crystals. They kind of look like coffin lids.
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Bilirubin Crystals - Bilirubin crystals form from conjugated bilirubin (water soluble) and are needle-like to granular crystals that are yellow in color. They tend to precipitate onto other formed elements in the urine. In the top picture, fine needle-like crystals have formed on an underlying cell. This is the most common appearance of bilirubin crystals. In the lower two pictures, cylindrical bilirubin crystals have formed in association with droplets of fat, resulting in a "flashlight" appearance. This form is less commonly seen.
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Calcium Oxalate Crystals - Calcium oxalate dihydrate crystals typically are colorless squares whose corners are connected by intersecting lines (resembling an envelope).
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Squamous Epithelial Cells - They are larger than transitional cells and have small central nuclei. They can be round or have one or more flat border.
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Transitional Epithelial Cells - Variable size and shape (depends on origin): round or polygonal, pear-shaped, caudate (pelvis), tailed, spindle, may develop refractile, fatty inclusions with storage.
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Hyaline Cast - Colorless, homogenous and transparent. Rounded ends
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Granular Cast - Large and coarse granules.
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Bilirubin Crystals - Bilirubin crystals form from conjugated bilirubin (water soluble) and are needle-like to granular crystals that are yellow in color. They tend to precipitate onto other formed elements in the urine.
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Calcium Oxalate Crystals - Calcium oxalate dihydrate crystals typically are colorless squares whose corners are connected by intersecting lines (resembling an envelope).
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Struvite Crystals - Struvite crystals usually appear as colorless, 3-dimensional, prism-like crystals. They kind of look like coffin lids.
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Transitional Epithelial Cells - Variable size and shape (depends on origin): round or polygonal, pear-shaped, caudate (pelvis), tailed, spindle, may develop refractile, fatty inclusions with storage.
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Squamous Epithelial Cells - They are larger than transitional cells and have small central nuclei. They can be round or have one or more flat border.
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Granular Cast - Large and coarse granules.
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Hyaline Cast - Colorless, homogenous and transparent. Rounded ends
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Calcium Oxalate Crystals - Calcium oxalate dihydrate crystals typically are colorless squares whose corners are connected by intersecting lines (resembling an envelope).
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Struvite Crystals - Struvite crystals usually appear as colorless, 3-dimensional, prism-like crystals. They kind of look like coffin lids.
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Bilirubin Crystals - Bilirubin crystals form from conjugated bilirubin (water soluble) and are needle-like to granular crystals that are yellow in color. They tend to precipitate onto other formed elements in the urine.
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Squamous Epithelial Cells - They are larger than transitional cells and have small central nuclei. They can be round or have one or more flat border.
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Transitional Epithelial Cells - Variable size and shape (depends on origin): round or polygonal, pear-shaped, caudate (pelvis), tailed, spindle, may develop refractile, fatty inclusions with storage.
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Hyaline Cast - Colorless, homogenous and transparent. Rounded ends
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Granular Cast - Large and coarse granules.
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Struvite Crystals - Struvite crystals usually appear as colorless, 3-dimensional, prism-like crystals. They kind of look like coffin lids.
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Bilirubin Crystals - Bilirubin crystals form from conjugated bilirubin (water soluble) and are needle-like to granular crystals that are yellow in color. They tend to precipitate onto other formed elements in the urine.
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Calcium Oxalate Crystals - Calcium oxalate dihydrate crystals typically are colorless squares whose corners are connected by intersecting lines (resembling an envelope).
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Squamous Epithelial Cells - They are larger than transitional cells and have small central nuclei. They can be round or have one or more flat border.
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Transitional Epithelial Cells - Variable size and shape (depends on origin): round or polygonal, pear-shaped, caudate (pelvis), tailed, spindle, may develop refractile, fatty inclusions with storage.
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Granular Cast - Large and coarse granules.
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Hyaline Cast - Colorless, homogenous and transparent. Rounded ends
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What is this? (The arrow)
RBC in urine
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What is this? (The arrowhead)
WBC in urine
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