
Figure 1
Hydrogel injection. Sagittal transrectal ultrasound images showing (A)the needle placed at the Denonvillier’s fascia at the start of hydrodissection, after complete hydrodissection (B), at the start (C)and after successful hydrogel injection (D). Air contamination after hydrogel injection worsens visibility (D).
P = prostate; SV = seminal vesicles