Stone composition independently predicts stone size in 18,029 spontaneously passed stones

ConclusionsStone composition and —to a lesser extent—age serve as independent predictors of size of spontaneously passed stones. Of particular importance, large spontaneously passed stones of ≥ 6 mm may be frequently found in cystine, brushite or struvite stone formers, whereas a minority of all calcium oxalate stones exce ed that cutoff. Future studies shall evaluate these parameters as possible predictors of spontaneous stone passage.
Source: World Journal of Urology - Category: Urology & Nephrology Source Type: research