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Calcium phosphate: an important crystal phase in patients with recurrent calcium stone formation?

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Summary

Stone and urine composition were analysed in 75 men and 40 women with recurrent calcium oxalate stone disease (group R) and in 48 men and 19 women who had formed only one calcium-oxalate-containing stone (group S). Patients who had developed stones with a large fraction of calcium phosphate were significantly more frequent in group R than in group S. There was furthermore a higher excretion of calcium and higher calcium oxalate supersaturation levels in patients with stones containing more than 25% calcium phosphate. It was concluded from these observations that the calcium phosphate content of renal stones might be a useful factor in predicting the future course of the disease.

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Authors and Affiliations

  1. Department of Urology, University Hospital, S-58185, Linköping, Sweden

    Hans-Göran Tiselius

  2. Department of Clinical Chemistry, University Hospital, S-58185, Linköping, Sweden

    Lasse Larsson

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  1. Hans-Göran Tiselius
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  2. Lasse Larsson
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Tiselius, HG., Larsson, L. Calcium phosphate: an important crystal phase in patients with recurrent calcium stone formation?. Urol. Res. 21, 175–180 (1993). https://doi.org/10.1007/BF00590033

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  • DOI: https://doi.org/10.1007/BF00590033

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