Brain surface scan with tumor (IMAGE)
Caption
Researchers have integrated their megahertz-speed optical coherence tomography (MHz-OCT) system into a commercially available neurosurgical microscope. The top left picture shows the typical surgical microscope view of a tumor below the brain’s surface illuminated with white light. The only visible hint of the tumor is a peculiar growth of new blood vessels. With a fluorescent agent and viewed under blue-violet light, parts of the tumor become slightly visible (lower left). The new microscope-integrated MHz-OCT system, however, can look below the surface to reveal the structure in depth as seen in the upper left image, which shows the slice indicated by the blue line. When projected into a top view as seen in the lower left picture, the tumor becomes clearly visible.
Credit
Universität zu Lübeck, Medizinisches Laserzentrum Lübeck GmbH & Universitätsklinikum Schleswig-Holstein
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