title: Urodynamic approach of the upper urinary tract by percutaneous puncture nephrostomy.
mesh_terms: D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis*; D007677:Kidney Function Tests; D011866:Radioisotope Renography; D014515:Ureteral Diseases / Q000175:diagnosis*; D014546:Urinary Catheterization / Q000379:methods*; D014563:Urodynamics; D014567:Urography