fig4
![Percutaneous nephrostomy step by step](https://image.oaes.cc/00aeddb4-4b6d-408c-8ad5-3e9804cb91e2/2173.fig.4.png)
Figure 4. (A) Tip of the needle is engaged first through the skin incision site; (B) as the needle is advanced its tip is seen along the dotted line; (C) egress of urine after removing needle stellate; (D) dye study for calyceal delineation as seen on fluoroscopy