Gastrointestinal endoscopic mucosal resection (EMR) is a procedure to remove precancerous, early-stage cancer or other abnormal tissues (lesions) from the digestive tract.
Endoscopic mucosal resection is performed with a long, narrow tube equipped with a light, video camera and other instruments. During EMR of the upper digestive tract, the tube (endoscope) is passed down your throat to reach an abnormality in your esophagus, stomach or upper part of the small intestine (duodenum).
Primarily a treatment procedure, EMR is also used to collect tissues for diagnosis. If cancer is present, EMR can help determine if the cancer has invaded tissues beneath the digestive tract lining
Endoscopic mucosal resection is a less invasive alternative to surgery for removing abnormal tissues from the lining of the digestive tract. These tissues may be :
Endoscopic mucosal resection is usually performed by a specialist in digestive system disorders (gastroenterologist) who has expertise in this technique.