NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,458 terms related to cancer and medicine.

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immunocytochemistry
(IH-myoo-noh-SY-toh-KEH-mih-stree)
A laboratory method that uses antibodies to check for certain antigens (markers) in a sample of cells. The antibodies are usually linked to an enzyme or a fluorescent dye. After the antibodies bind to the antigen in the cell sample, the enzyme or dye is activated, and the antigen can then be seen under a microscope. Immunocytochemistry is used to help diagnose diseases, such as cancer. It may also be used to help tell the difference between different types of cancer.