How prevalent is hypercalciuria in calcium kidney stone disease?

Updated: Apr 23, 2019
  • Author: Stephen W Leslie, MD, FACS; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Hypercalciuria, or excessive urinary calcium excretion, occurs in about 5-10% of the population [6] and is the most common identifiable cause of calcium kidney stone disease. Indeed, about 80% of all kidney stones contain calcium, and at least one third of all calcium stone formers are found to have hypercalciuria when tested. Hypercalciuria also contributes to osteoporosis. (Other significant causes of kidney stones include hyperoxaluria, hyperuricosuria, low urinary volume, and hypocitraturia.)


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