title: Hydronephrosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003287:Contrast Media / Q000008:administration & dosage; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging*; D007223:Infant; D007669:Kidney Calculi / Q000000981:diagnostic imaging; D007682:Kidney Pelvis / Q000000981:diagnostic imaging; D008297:Male; D008722:Methods; D008875:Middle Aged; D014567:Urography
chemical_list: D003287:Contrast Media