Korean J Urol.  1996 Feb;37(2):179-186.

Analysis of the Urinary Stone Components Using Chemical Analysis Method

Affiliations
  • 1Department of Urology, Seoul National University, Seoul, Korea.

Abstract

We analyzed the composition of urinary stones using chemical analysis method. From 1985 to 1995, 495 urinary calculi were eligible for stone analysis. Forty six per cent of the stones were composed of single chemical component, and pure calcium oxalate stone was the most common type of the stones consisting 34.9% of all stones, followed by 23.8% of mixture of calcium oxalate and calcium phosphate, and 92.7% of the stones had calcium component. Calcium oxalate crystal was found in 82.6% of the stones, calcium phosphate in 50.5%, ammonium magnesium phosphate in 26.7%, uric acid in 11.3% and cystine in 0.4%. Nation-wide extension of this study using chemical analysis will be mandatory for a proper assessment of the stone composition of Koreans and for planning of the proper management strategies for urinary stones in Korea.

Keyword

urinary stone; analysis; chemical method

MeSH Terms

Ammonium Compounds
Calcium
Calcium Oxalate
Cystine
Korea
Magnesium
Uric Acid
Urinary Calculi*
Calcium
Calcium Oxalate
Cystine
Magnesium
Uric Acid
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