NATIONAL CANCER INSTITUTE
percutaneous ethanol injection
(per-kyoo-TAY-nee-us EH-thuh-nol in-JEK-shun)
An injection of ethanol (alcohol) through the skin directly into a tumor to kill cancer cells. Ultrasound or a CT scan is used to guide the needle into the tumor. Also called alcohol ablation, ethanol ablation, and PEI.