Early Detection of Esophageal Cancer Now Possible with Light

by Thilaka Ravi on  January 6, 2011 at 8:22 AM Clinical Trials News
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A device that promises a less invasive method for testing patients suspected of having Barrett's esophagus has been developed and successfully tested by biomedical engineers at Duke University.
 Early Detection of Esophageal Cancer Now Possible with Light
Early Detection of Esophageal Cancer Now Possible with Light

Acid reflux occurs when stomach acid splashes, or refluxes, up into the esophagus. Long periods of acid reflux can change the cells that line the esophagus, making them appear more like intestinal cells than esophageal cells.

These cellular changes can also be a precursor to cancer. As in most cancers, early identification of these pre-cancerous cells often leads to better outcomes for patients.

Using an endoscope to reach the esophagus via the nose, physicians shine short bursts of this light at locations of suspected disease and sensors capture and analyze the light as it is reflected back.

UNC gastroenterologist Nicholas Shaheen conducted the preliminary clinical trial of the device on 46 patients with Barrett's esophagus.

The technology that Adam Wax, associate professor of biomedical engineering at Duke's Pratt School of Engineering, and his team developed for cancer detection is known as angle-resolved low coherence interferometry (a/LCI).

The technique is able to separate the unique patterns of the nucleus from the other parts of the cell and provide representations of its changes in shape in real time.

The findings were published online in the January issue of the journal Gastroenterology.

Source: ANI

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