Background The prevalence of lithiasis is increasing at all ages. This study aimed to assess
the crystallization risk in urine from healthy school children and to determine urinary …

Purpose: The incidence of kidney stones in adults has increased in the last 30 years. This
retrospective, single site review was done to test the hypotheses that the incidence of …

OBJECTIVES: To determine which risk factors help predict recurrent stone formation. Urinary
stone disease is relatively rare in children. At our institution, a full urinary metabolic …

A significant increase in the frequency of childhood urolithiasis has been observed during
the last 10–15 years. A recent study observed an increase in the incidence of symptomatic …

Nephrolithiasis occurs following a complex interaction of environment and heredity. Urinary
crystals coalesce and precipitate when physical and biochemical conditions disturb a …

More than 325 000 Americans are hospitalized each year for the evaluation and treatment of
calculi in the urinary tract. It is estimated that an equal number of unfortunate victims of …

Nephrolithiasis is responsible for 1 in 1000 to 1 in 7600 pediatric hospital admissions
annually throughout the United States [1–3], an incidence one-fiftieth that of adult …

Objective To evaluate the natural course of the stone disease in pediatric patients from
different perspectives among which the spontaneous passage and stone recurrence rates …

Background Evidence has indicated that immediate family members of nephrolithiasis
patients had high opportunity to develop stones. However, they are usually not regarded to …

Calcium nephrolithiasis in children is increasing in prevalence and tends to be recurrent.
Although children have a lower incidence of nephrolithiasis than adults, its etiology in …