Denonvilliers' space expansion by transperineal injection of hydrogel: implications for focal therapy of prostate cancer.


We developed and assessed a technique of: (i) expanding Denonvilliers' space by hydrogel (polyethylene glycol) during focal cryoabation; and (ii) temperature mapping to ensure protection of the rectal wall. In a fresh cadaver, 20 cc of hydrogel was injected transperineally into Denonvilliers' space under transrectal ultrasound guidance. Successful expansion… (More)
DOI: 10.1111/iju.12290


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