Pill-sized device provides rapid, detailed imaging of esophageal lining

Physicians may soon have a new way to screen patients for Barrett’s esophagus, a precancerous condition usually caused by chronic exposure to stomach acid. Researchers at the Wellman Center for Photomedicine at Massachusetts General Hospital (MGH) have developed an imaging system enclosed in a capsule about the size of a multivitamin pill that creates detailed, microscopic images of the esophageal wall. The system has several advantages over traditional endoscopy.

“This system gives us a convenient way to screen for Barrett’s that doesn’t require patient sedation, a specialized setting and equipment, or a physician who has been trained in endoscopy,” says Gary Tearney, MD, PhD, of the Wellman Center and the MGH Pathology Department, corresponding author of the report receiving online publication in Nature Medicine.  “By showing the three-dimensional, microscopic structure of the esophageal lining, it reveals much more detail than can be seen with even high-resolution endoscopy.”

Inch-long endomicroscopy capsule contains rotating infrared laser and sensors for recording reflected light. (Michalina Gora, PhD, and Kevin Gallagher, Wellman Center for Photomedicine, Massachusetts General Hospital)

via Pill-sized device provides rapid, detailed imaging of esophageal lining – Massachusetts General Hospital, Boston, MA.

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