Aubf 2 - Abnormal Urinary Crystals Flashcards
Cysteine appearance
Colorless thick/Thin hexagonal plates
Difference of cysteine from uric acid
Uric acid is High birefringence
Confirmation for cysteine
Cyanide-nitroprusside test
Clinical significance of Cysteine
Cystinuria = formation of renal calculi
Appearance of Cholesterol crystals
Rectangular plates w/ one or more notch
Clinical significance of cholesterol cast
Nephrotic syndrom (w/ fatty cast + Oval Fat bodies)
Appearance of Radiographic dye crystals
Colorless flat plates
Significance of Radiographic dye
Elevated SG
Sulfonamide crystals appearance
Colorless, Yellow-brown needles, rhombic, whetstone, WEAVES OF SHEATH, rosette
Sulfonamide Crystals significance
Inadequate dehydration
Ampicillin appearance
Colorless needles
Ampicillin when it is being refrigerated
Bundle
LIVER DISEASE ASSOCIATED CRYSTALS
Leucine
Tyrosine
Bilirubin
Leucine crystals appearance
Yellow-brown spheres (concentric circles with radial striations)
Leucine must be with
Tyrosine