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34 Cards in this Set
- Front
- Back
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(Yellow to reddish-brown) Rhombic plates, rosettes, wedges and needles |
Uric acid |
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Most common crystal in acidic urine |
Uric acid |
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Yellow-brown granules often clumps |
Amorphous urates |
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Will convert to uric acid crystals with acidification with acetic acid |
Amorphous urates |
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Colorless, dumbbell shape and ovoid |
Caox |
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Whewellite & weddelite |
Caox |
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White-colorless, fine or lacy precipitate |
Amorphous phosphates |
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3 side prisms, plates or needles |
Calcium phosphates |
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Hydroxyapatite or bushite |
Calcium phosphates |
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3 to 6 sided prisms and oblique end |
Triple phosphate |
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Appear as spheres with radial or concentric striations and irregular projections of thorns |
Ammonium biurate |
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Colorless refractile, hexagonal plates |
Cystine |
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Confirmed by cyanide nitroprusside rxn |
Cystine |
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Rectangular plate with a notch in one or more corners |
Cholesterol |
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Yellow oily appearing sphere with radial and concentric striations |
Leucine |
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Forms fine silky needle that arranged in sheaves or clumps |
Tyrosine |
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Sheaves of wheat with central bindings, arrowheads, petals |
Sulfonamides |
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Flat, colorless notched, rhombic plates or longer, slender rectangles |
Radiographic dye |
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Long fine colorless, coarse sheaves |
Ampicillin |
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Octahedral or 2 pyramids joined at their bases |
Dihydrate calcium oxalate |
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Most common form of CaOx |
Dihydrate calcium oxalate |
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Long colorless needle, cigarette butt and star like |
Calcium sulfate |
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"Stair steps" appearance |
Cholesterol |
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"Thorny apples" |
Ammonium biurates |
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Broader than hyaline cast unusually broad |
Waxy cast |
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Reflect the final phase of dissolution of the fine granules of granular cast and hyaline cast matrix |
Waxy cast |
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Most frequently observed cast |
Hyaline cast |
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Cast seen by staining with sudan III |
Fatty cast |
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Demonstrate presence of maltese cross |
Fatty cast |
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Aka blood cast |
Hgb cast |
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Longer and larger ribbon like; pointed or split edges and it is a common artifact |
Mucus threads |
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Formerly tamm horsfall protein |
Uromodulin |
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Major constituent of cast |
Uromodulin |
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Older hyaline cast |
Waxy cast |
