Abstract
Objective To discuss decision of the safety margin of esophagus in the radical gastrectomy of adenocarcionma of esophagogastric junction. Methods The length of esophageal resection margin of intraoperative, postoperative and pathological large slice under the microscope of 50 cases adenocarcionma of esophagogastric junction underwent radical gastrectomy were measured, and the proximal invasive length of esophagus in large pathological slice were also measured, and the relationship between it and pathological factors was analyzed.Determined the minimum safety cut edge distance. Results In 46 of 50 patients, proximal intramural spread of the tumor was observed.The invasive length of tumor from 0.1 cm to 3.5 cm.The invasive length of tumor was <1.0 cm with 11 patients, 1.0-1.5 cm with 19 patients, 1.5-3.0 cm with 15 patients, in only 1 patient was the distance of spread 3.5 cm.Invasive length of adenocarcionma of esophagogastric junction had a significant difference between the groups in different pathological factors(P<0.001). Conclusion The length of 3.5 cm is the safety margin of esophagus in the radical gastrectomy of adenocarcionma of esophagogastric junction(SiewertⅡ, Ⅲ type) by abdominal incision. Key words: Adenocarcionma of esophagogastric junction; Operation; Invasive length
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