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  • Title: Cystine calculi: clinical management and in vitro observations.
    Author: Singh A, Marshall FF, Chang R.
    Journal: Urology; 1988 Mar; 31(3):207-10. PubMed ID: 2831649.
    Abstract:
    Although cystine stones account for 1 to 3 per cent of renal calculi, many of these patients are difficult to manage because of recurrent urolithiasis. Seven cases of homozygous cystinuria are summarized. The evolution to the present treatment of percutaneous extraction and chemolysis appears to be the preferred form of treatment although extracorporeal shock wave lithotripsy (ESWL) may also be utilized. In addition, in vitro experiments were conducted to study the effectiveness of different chelating agents and buffers at different urinary pHs. The effect of cystinuric and noncystinuric urines was also evaluated.
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