- Finding Cancer Cells in the Blood
Technologies that can pull tumor cells from patients’ blood are giving researchers an unprecedented look at cancer.
In the near future, oncologists may be using a finger-size plastic chip with tiny channels to extract a dozen or so cancer cells from a sample of a patient’s blood. Those cells, called circulating tumor cells, could then be screened for genetic disruptions that an oncologist could target with drugs best suited to attacking the tumor. Continued sampling would give doctors a way to monitor whether a treatment is working and decide whether to add or change a drug as the malady evolves.
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