NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,940 terms related to cancer and medicine.

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amethopterin
(A-meh-THOP-teh-rin)
A drug used to treat some types of cancer, rheumatoid arthritis, and severe skin conditions, such as psoriasis. Amethopterin stops cells from making DNA and may kill cancer cells. It is a type of antimetabolite. Also called methotrexate, MTX, and Rheumatrex.