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Video case: colon cancer
Epublication WebSurg.com, Feb 2016;16(02). URL: http://websurg.com/doi/lt03endumas004
Endoscopic mucosal resection (EMR) is a method for treating early gastrointestinal mucosal lesions. The procedure of EMR involves submucosal injection of normal saline or saline with a mix of methylene blue to separate the lesion from the underlying muscle layers. The raised lesions can be completely removed with a snare. EMR is a simple and safe procedure with a small learning curve. The risk of serious complications such as perforation and bleeding is rare. The invasion depth of the tumor can be assessed after resection using pathological examination. The recurrence rate is very low (0-3.6%) after resection. EMR is not an appropriate choice for gastrointestinal tumors (size >20mm) as the complete recurrence rate is very low and recurrence after resection is very high.