Mar 26, 2014 7:07 AM by Lindsay MacLeod, KSBY News
Doctors have developed a blue light that can detect cancers that aren't obvious to the naked eye.
After a patient has undergone treatment like chemotherapy, doctors can use the light to make sure the cancer hasn't come back.
They use a special compound that sticks only to the hidden cancer cells, and when the light hits the cells, their color changes, and they glow or fluoresce.
"Before the blue light, obviously many of these lesions were missed, and I think this is what's responsible for a high recurrence rate," said Dr. Ranko Miocinovic, a urologist.
The cancer lights up pink, allowing doctors to target it directly.
The blue light treatment isn't perfect for all cancers, but patients should talk to their urologist to see if it's an option for them.
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