title: Hydronephrosis in infants and children, Part I.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004108:Dilatation, Pathologic; D006801:Humans; D006869:Hydronephrosis / Q000145:classification / Q000000981:diagnostic imaging* / Q000209:etiology / Q000503:physiopathology; D007223:Infant; D007231:Infant, Newborn; D007670:Kidney Calices / Q000473:pathology; D007682:Kidney Pelvis / Q000473:pathology; D011859:Radiography; D014513:Ureter / Q000002:abnormalities; D014517:Ureteral Obstruction / Q000150:complications / Q000209:etiology; D001750:Urinary Bladder, Neurogenic / Q000150:complications; D014563:Urodynamics