Ki67 index

The Ki67 index is a measurement used by doctors to assess how quickly cancer cells are dividing and growing. It involves examining a sample of tumor tissue under a microscope and checking for a specific protein called Ki67, which is present when cells are actively dividing. A higher Ki67 index suggests the tumor is more aggressive and growing faster, while a lower index indicates slower growth. This information helps doctors determine the best treatment approach and understand the tumor’s behavior. Overall, the Ki67 index is a valuable tool for assessing cancer's growth rate.