The nephrogram.
D058186:Acute Kidney Injury / Q000000981:diagnostic imaging; D000792:Angiography; D003287:Contrast Media; D003937:Diagnosis, Differential; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging; D007668:Kidney / Q000098:blood supply / Q000000981:diagnostic imaging; D007674:Kidney Diseases / Q000000981:diagnostic imaging*; D052177:Kidney Diseases, Cystic / Q000000981:diagnostic imaging; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging; D014567:Urography / Q000379:methods*
D003287:Contrast Media