title: Failure of dissolution of xanthine urolithiasis by local lavage.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D011686:Purine-Pyrimidine Metabolism, Inborn Errors / Q000150:complications*; D007507:Therapeutic Irrigation; D014514:Ureteral Calculi / Q000209:etiology / Q000628:therapy*; D014970:Xanthines / Q000652:urine*
chemical_list: D014970:Xanthines