The difficulty of brain cancer surgery is: How much should it be cut? Unlike other cancer surgeries, more brain tumors can cause mental impairment and even physical disability. American scientists use laser technology experiments to claim that they can accurately determine the size of brain tumors and remove them.
Using this technique called stimulated Raman scattering (SRS) microscopy, the University of Michigan School of Medicine and Harvard University research team have removed brain tumors for 360 patients, but have not yet been put into clinical use.
The specific operation mode is that when the laser beam is emitted to the brain tissue of the patient in the operating room, the laser will undergo different changes when encountering different chemical components of cancer cells or ordinary brain tissue, so the edge of the brain tumor is determined.
"Brain cancer is like a cloud, it can determine its core, but the edge is difficult to determine," BBC said on the 7th, one of the researchers, Daniel Olinger. In the treatment of other cancers, doctors can remove some unrelated parts around the tumor to prevent cancer recurrence, such as bowel cancer. However, there are no unrelated parts of the human brain, which makes the problem of how much brain tumor surgery is particularly sensitive.
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