NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,804 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.

isotretinoin
(I-soh-TREH-tih-noyn)
A drug that is used in the treatment of acne and psoriasis and is being studied in cancer prevention. It is a type of retinoid. Also called 13-cis retinoic acid.