GU: stones and casts Flashcards
Acidic urine stones?
Xanthine
cystine
uric acid
calcium oxalate
tyrosine
leucine
alkaline urine stones ?
calcium phosphate
calcium carbonate
magnesium phosphate
ammonium urate
Uric acid stone description?
colorless to yellow/brown flat square
Calcium oxalate stone description?
octahedral
Cystine stone description?
hexagon
Tyrosine stone description?
sheaves of thin needles
Leucine stone description?
spheres with radial striations usually seen with tyrosine
Uric acid stone clinical implication?
gout
Calcium oxalate stone clinical implication?
calcium nephrolithiasis
Cystine stone clinical implication?
inborn error of amino acid metabolism
Tyrosine stone clinical implication?
liver disease
Leucine stone clinical implication?
liver disease
Calcium carbonate stone description?
dumbbell shaped
Calcium phosphate stone description?
rosettes
Ammonium Urate stone description?
thorny apple