Abstract
Simulators have been widely used as a training method; they reproduce real, difficult and rare situations. In endoscopy, they allow training, skill development, standardization of techniques and the performance of a greater number of risk-free procedures. The EASIE (Erlangen Active Simulator for Interventional Endoscopy) biological simulator has been widely accepted. In this model the upper gastrointestinal (GI) and biliopancreatic tract of slaughter house pigs is placed inside a human-like mannequin. Studies have shown that it is plausible to reproduce GI tract lesions in animal inanimate models for training purposes. Early gastric cancer is limited to the mucosa or submucosa regardless of lymph node status. Endoscopic resection is the standard treatment for early gastric cancer in Japan and its acceptance is increasing worldwide. Endoscopic submucosal dissection (ESD) allows en bloc resection of larger lesions, requires longer procedure time and has more complications than endoscopic mucosal resection (EMR).
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