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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: índice de proliferación

Proliferative index (proh-LIH-fuh-RAY-tiv )
A measure of the number of cells in a tumor that are dividing (proliferating). May be used with the S-phase fraction to give a more complete understanding of how fast a tumor is growing.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.