Could cancer be treated by the flip of a switch? According to research in the journal Nature Materials, it might not be that far off.
During ovarian cancer surgery, it is not always easy for doctors to determine the borders of the tumor, a limitation that can often result in relapse from the regrowth of cancerous cells. Flourescent markers might help.
There are many interesting theories about how and why cancer spreads, but several look at what are called the ‘switch theory’.
Imagine a woman going to see her doctor to have a mamogram and at the same time having a tube of blood drawn searching for one cell in a billion that could be a cancer cell, and then finding it.