For an upper GI tract procedure, do not eat or drink for 12 hours before the procedure to ensure your esophagus is clear of food.For a lower GI tract procedure, follow a liquid diet plus a laxative or enema to cleanse the bowel.Steps to take before the procedure may include: Your gastroenterologist will provide detailed instructions on how to prepare for ESD. Preparing for Endoscopic Submucosal Dissection Using ESD in these cases can help minimize the risk of cancer spreading.ĮSD can help your doctor stage GI cancer (determine its spread) to help customize your treatment plan. Tumors of the esophagus, stomach or colon that have not yet entered the deeper layer of the GI wallĮSD may be a more effective option than endoscopic mucosal resection (EMR) for removing certain growths, especially those without clear borders or those too large to remove in one piece by other methods.Early-stage cancerous tumors or colon polyps, including colorectal cancer, stomach cancer and esophageal cancer.The ESD procedure can be used to treat the following tumors and lesions that involve the submucosa, the layer between the lining of internal organs and the muscle wall: Who may need endoscopic submucosal dissection? Only a few centers in the United States perform ESD because the procedure requires a high degree of expertise and precision. ESD is typically an outpatient procedure and most people go home the same day. Depending on where in the GI tract the tumor is located, the doctor will insert the endoscope through the mouth for upper GI tumors or through the anus for lower GI tumors.
Gastroenterologists (doctors specially trained to treat the GI tract) perform this procedure. These tumors can be close to muscle tissue and can be difficult to remove completely with other methods. “Submucosal” means this procedure targets tumors located under the lining of the GI tract (mucosa).
What is endoscopic submucosal dissection?Įndoscopic submucosal dissection (ESD) is a minimally invasive procedure that uses a flexible, tube-like tool called an endoscope to remove precancerous and cancerous areas in the gastrointestinal (GI) tract. If you have a tumor or a lesion within the lining of your gastrointestinal tract, your doctor may recommend removing it with a procedure called endoscopic submucosal dissection.
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