title: Editorial comment.
authors.forename: Dominic
authors.initials: D
authors.lastname: Frimberger
mesh_terms: D002648:Child; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D007682:Kidney Pelvis / Q000601:surgery*; D011182:Postoperative Care; D011866:Radioisotope Renography; D016896:Treatment Outcome; D014463:Ultrasonography; D013520:Urologic Surgical Procedures / Q000379:methods