Using light to tell brain tumor from healthy brain
Original title: Label-free wide-field imaging of brain tumors using near-infrared endogenous fluorescence and reflectance normalization.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was tested in people. That is the most reliable kind of research we share.
Some readings were taken in people, but the camera was only tested on removed tissue.
The short version
Doctors may one day use a special light to see where a brain tumor ends.
What was studied. Researchers took 430 measurements from 26 patients during surgery using a hand-held light probe. They then built a camera system and tested it on 14 tissue samples from five patients.
What they found. Healthy brain tissue gave off more natural glow than tumor tissue. When the readings pointed to tumor, they were right 85 to 88% of the time. When they pointed to healthy tissue, they were right 96% of the time. The camera system showed the same pattern in the removed samples.
What this means, and what it doesn't
What it could mean: It is hard for surgeons to see where a tumor stops and healthy brain starts. This method needs no dye or drug. In time, it might help surgeons see the edge of a tumor while they operate.
What it doesn't mean: This does not mean the tool is ready for use. The camera was only tested on tissue that had already been taken out of the body. It has not been used to guide a real operation. It is not a treatment, and it is not a cure. Much more testing is needed before it could reach an operating room.
Source: PubMed, August 12, 2026 · Read the original
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