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  • Andhra Pradesh: Telangana TDP leader Dayakar Rao said extension in deadline to debate Telangana bill in assembly will be unacceptable
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  • Bihar: Maoists blast a panchayat building at Pio village in Giridih district in Jharkhand; no casualties, say police today
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  • UP East: Uttarakhand assembly Tuesday passed a new Lokayukta Bill modelled on Lokpal of the Centre
  • UP West: Uttarakhand assembly Tuesday passed a new Lokayukta Bill modelled on Lokpal of the Centre
  • West Bengal: Govt will set up a puppet museum at Kankurgachi in Kolkata to preserve art of puppetry, announces minister Upen Biswas
  • Andhra Pradesh: Sonia Gandhi launches Congress campaign in Telangana, urges people to vote for the party for a bright future
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  • Kerala: Malayalam actor Suraj Venjaramoodu adjudged best actor in the 61st national film awards announced today
  • Kolkata: BJP candidate from Asansol LS seat, Babul Supriyo, asked to appear before police in many cases, including Arms Act
  • Madhya Pradesh: Congress is a corrupt party, vote it out in Lok Sabha polls, says BJP leader Narendra Modi during rally at Ratlam
  • Maharashtra: Case lodged at Parner in Ahmednagar against an unidentified man who, claiming to be NCP worker, threatened Anna Hazare
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  • Northeast: Over 12,000 CPMF, state security personnel deployed in 4 mountainous districts of Manipur for polling Thursday
  • Odisha: OUAT, closed since March 26 following a clash between students over an eve-teasing incident, to reopen April 21
  • Punjab: DGP Suresh Arora says police is fully prepared to ensure free, fair and peaceful polling on April 30
  • Rajasthan: A 19-year-old girl in Jaisalmer injured in attack by a jilted man, who later committed suicide by slitting his throat
  • Tamil Nadu: Over 100 teams have been formed to prevent distribution of cash among voters across the state, says poll panel
  • UP East: Notices issued to 10 nominees in Farrukhabad including Salman Khurshid for not keeping record of poll expenses
  • UP West: Notices issued to 10 nominees in Farrukhabad including Salman Khurshid for not keeping record of poll expenses
  • West Bengal: BJP candidate from Asansol LS seat, Babul Supriyo, asked to appear before police in many cases, including Arms Act
Pill-sized device eases gut imaging
Pill-sized device eases gut imaging

IANS

Washington, Jan 14: Physicians may soon have a new and easy way to screen the esophagus, or gut, for a precancerous condition caused by chronic exposure to stomach acid, according to an American study.

Researchers at the Wellman Centre for Photomedicine at Massachusetts General Hospital (MGH) have developed a capsule sized imaging device that creates detailed, microscopic images of the esophageal (gut) wall. It 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, pathologist of the Wellman Centre of the MGH and study co-author, the journal 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," adds Tearney, according to an MGH statement.

The system developed by Tearney and his colleagues involves a capsule containing optical frequency domain imaging (OFDI) technology - a rapidly rotating laser tip emitting a beam of near-infrared light and sensors that record light reflected back from the esophageal lining.

The capsule is attached to a string-like tether that connects to the imaging console and allows a physician or other health professional to control the system. After the capsule is swallowed by a patient, it is carried down the esophagus by normal contraction of the surrounding muscles.

When the capsule reaches the entrance to the stomach, it can be pulled back up by the tether. The OFDI images are taken throughout the capsule's transit down and up the esophagus.

The researchers tested the system in a group of unsedated participants - some are known to have Barrett's esophagus and others were healthy volunteers.

The physicians operating the system were able to image the entire esophagus in less than a minute, and a procedure involving four passes - two down the esophagus and two up - could be completed in around six minutes. A typical endoscopic examination requires that the patient stay in the endoscopy unit for approximately 90 minutes.

 

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Update: 14-January-2013

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