Proliferative index

The proliferative index is 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.

External links

• Proliferative index entry in the public domain NCI Dictionary of Cancer Terms

 This article incorporates public domain material from the U.S. National Cancer Institute document "Dictionary of Cancer Terms".