Table 2 Mean chemical composition of 18 stones, showing that there was a predominance of calcium phosphate in almost all the stones and calcium oxalate was less than 10%.
From: New chemolysis for urological calcium phosphate calculi – a study in vitro
Composition |
|
|---|---|
Ca++ | 42.5 ± 20.7 |
Oxalate | 9.6 ± 6.2 |
NH4 | 1.5 ± 2.1 |
PO4 | 40.1 ± 13.9 |
Mg | 1.7 ± 4.9 |
Uric acid | 3.3 ± 4.9 |
Cystine | 0.0 ± 0.0 |
Ca++oxalate | 3.4 ± 3.7 |
± s (%)