A prospective study was carried out among 52 patients presenting with their first attack of renal stones. During a 4-year followup period half of them developed recurrent stones. This occurred more often in males than in females and particularly in individuals with a high urinary calcium. However, the overlap between the two groups was large and in the individual patient determinations of serum and urinary electrolytes could not predict the risk of recurrence.
KeywordsPrimary Hyperparathyroidism Urinary Calcium Renal Stone Serum Urate Recurrent Stone
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