... exploration identified an aberrant, patent left umbilical artery causing ureteral obstruction. Stone and urine analyses revealed hereditary xanthinuria that had not previously been recognized in this child and her family. © 1997 S. Karger AG, Basel 1997 Copyright / Drug Dosage / Disclaimer Copyright...

...András Kiss; Mihály Berényi; Ágoston Csontai Urinary tract calculi composed primarily of xanthine are rare both in adults and children. We describe the clinical presentation and management of a 3.5-year-old boy with hereditary xanthinuria (an autosomal recessive disorder of purine metabolism...