Pediatric urolithiasis: an experience of a single center.
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BACKGROUND
The aim of this study was to evaluate the clinical features and metabolic and anatomic risk factors of urolithiasis in children.
METHODS
Between 2004 and 2009, a total of 84 children (35 girls and 49 boys) had been treated because of urolithiasis. Clinical presentation, urinary tract infection, calculus localization, family history, presence of anatomic abnormalities, and urinary metabolic risk factors were evaluated, retrospectively.
RESULTS
The children were between 6 months and 16 years of age (mean age, 5.25 ± 3.61 years). The calculus diameter was 3.2 mm to 31 mm (mean, 7.31 ± 4.64 mm). In 90.6% of the cases, the calculus was located only in the kidneys and in 2.4% it was only in the bladder. The most common presentations were urinary tract infection, restlessness, and abdominal pain. A positive family history of urinary calculi was detected in 27.3%; urinary tract infection, in 23.8%; and anatomic abnormality, in 10.7% of the patients. Metabolic evaluation, which was carried out in 78 patients, revealed that 52.6% of them had a metabolic risk factor including normocalcemic hypercalciuria (21.7%), hyperuricosuria (11.5%), cystinuria (3.8%), and hyperoxaluria (5.1%).
CONCLUSIONS
We think that urolithiasis remains a serious problem in children in our country. Family history of urolithiasis, urologic abnormalities, especially under the age of 5 years, metabolic disorders, and urinary tract infections tend to be associated with childhood urolithiasis.
