MedicalTerminology DB
Procedures & Surgery Cancer & Oncology

percutaneous ethanol injection

Meaning of percutaneous ethanol injection: An injection of ethanol (alcohol) through the skin directly into a tumor to kill cancer cells.

Definition of percutaneous ethanol injection

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.

Also known as

PEI

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.