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Endoscopic Mucosal Resection

Endoscopic mucosal resection (EMR) is a less invasive alternative to surgery for removing abnormal tissues from the lining of the digestive tract.

These tissues may be early-stage cancer or precancerous lesions, which may become cancerous if not removed. EMR is performed at the time of gastroscopy or colonoscopy. The abnormal tissue is usually sucked up into a cap attached to the endoscope, then removed by cutting with an electrified wire loop. Several pieces of abnormal tissue of approximately 1cm can be removed, so that abnormal areas several centimetres in size can be completely removed. Provided a cancer has not penetrated beyond the surface layer of the intestine (mucosa), small cancers can be cured by EMR with up to 95% certainty.

EMR is generally performed as a day procedure. There is sometimes mild throat or chest discomfort after an EMR. There may also be mild chest discomfort and sometimes mild discomfort on swallowing. Significant pain may indicate a complication so should be discussed urgently with you specialist.

Pictures from an EMR procedure to remove a small cancer in the oesophagus are shown below:
Risks of endoscopic mucosal resection include:

Preparation for EMR is the same as for upper endoscopy. Because of the risk of complications following EMR, it is advised that travel to remote areas of by plane is not undertaken for 5 days after EMR.

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