Volume 93 Issue 25 | p. 8 | News of The Week
Issue Date: June 22, 2015 | Web Date: June 18, 2015

Optical Method Maps Brain Tumor Borders

Medicine: With handheld probe, surgeons in the operating room might one day see where cancerous tissue ends and normal tissue begins
Department: Science & Technology
News Channels: Biological SCENE, Analytical SCENE
Keywords: optical coherence tomography, brain tumor, surgery

When surgeons remove brain tumors, they spend a lot of time snipping out tiny pieces of tissue at the borders between the tumors and healthy tissue. Before cutting, they carefully examine the tissue with a microscope to make sure they’re excising only tumor. Cutting out normal tissue could impair a patient’s vision, speech, or memory.

A new handheld probe could someday help surgeons in their decision-making, thanks to a technique that uses light to differentiate . . .

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