PEI

Definition / meaning of PEI

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 percutaneous ethanol injection.

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Find More About 'PEI'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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