NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,791 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

extravasation injury
(ek-STRA-vuh-SAY-shun IN-jer-ee)
Blistering and tissue damage caused by certain drugs when they leak out of a vein into the tissue around it. The damage is sometimes severe and can lead to tissue necrosis (tissue death).