title: Xanthinuria and xanthine calculous pyonephrosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000209:etiology* / Q000601:surgery; D008297:Male; D009401:Nephrosis / Q000209:etiology; D011686:Purine-Pyrimidine Metabolism, Inborn Errors; D014969:Xanthine Oxidase / Q000172:deficiency*; D014970:Xanthines / Q000652:urine*
chemical_list: D014970:Xanthines; D014969:Xanthine Oxidase