Abstract

Endoscopic submucosal tunnel dissection (ESTD) is one of the important techniques derived from DETT. Compared with conventional ESD, ESTD has the advantages of shorter operation time, more rapid dissection speed, as well as higher en bloc resection rate and lower rate of adverse events. ESTD was initially used in the esophagus and then applied on a wider scale for esophageal large mucosal lesions, in addition to its effectiveness in other parts of the gastrointestinal tract. This chapter introduces the standard operation of ESTD in different parts of gastrointestinal tract.

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