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Laser probe lets brain surgeons identify cancer cells with sound

from New Scientist

It takes steady hands and experienced eyes to remove brain tumors. Soon, sharp ears could also be crucial, with surgeons being guided by sound as to whether they are slicing through cancerous or healthy cells. In recent brain operations, surgeons used a laser probe to help determine where brain tumors began and ended. In these, a signal showing whether cells were healthy or cancerous was displayed visually on a screen. more

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