Percutaneous trocar (needle) nephrostomy in hydronephrosis.
Segura
Joseph W
JW
D005471:Fluoroscopy; D049673:History, 20th Century; D006801:Humans; D006869:Hydronephrosis / Q000266:history* / Q000601:surgery; D009403:Nephrostomy, Percutaneous / Q000266:history*