title: Obstruction of the ureteropelvic junction: assessing renal function by percutaneous nephrostomy.
abstract: This case simply illustrates two points. First, placement of a percutaneous nephrostomy permits detailed, serial evaluation of renal function in obstruction. Second, surprisingly high levels of renal function may remain in severely, chronically hydronephrotic kidneys.
mesh_terms: D000328:Adult; D003287:Contrast Media / Q000008:administration & dosage; D005402:Fistula; D006801:Humans; D006869:Hydronephrosis / Q000503:physiopathology; D007275:Injections, Intravenous; D007668:Kidney / Q000503:physiopathology; D007677:Kidney Function Tests; D007682:Kidney Pelvis / Q000000981:diagnostic imaging / Q000601:surgery*; D008297:Male; D011859:Radiography; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging / Q000503:physiopathology* / Q000601:surgery
chemical_list: D003287:Contrast Media