Retrospective Studies of Synchronous Double Early Gastric Cancer.

概要

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From 1984 to 1990, 922 cases of gastric cancer underwent resection in the First Department of Surgery, at Kurume University Hospital. Of these, 381 (41.3%) cases were early gastric cancer (EGC). Among these EGC, synchronous double early gastric cancer (double EGC), according to the diagnostic criteria of Moertel, was found in 49 (12.9%) cases involving 98 foci. In cases of a double EGC, the primary and secondary foci can be distinguished. Double EGC occurred more frequently in males than females (7.1:1). In the elderly, the incidence of a double EGC was higher than the incidence of a single EGC. Double EGC occurred more frequently in the lower third of the stomach than a single EGC. And a macroscopically elevated and histologically differentiated type primary focus was more frequently found in double EGC than in single EGC. Of the 49 secondary foci in the double EGC, 12 (24.5%) foci were a microcarcinoma of less than 5 mm in greatest diameter, and 48 (98%) were limited to the mucosa (m-cancer). Therefore, a preoperative detailed examination of the whole stomach by endoscopy and an intraoperative careful search under gastrotomy must be made in the remnant of the stomach in cases of distal or proximal partial gastrectomy to ensure adequate excision.
久留米大学医学部 The Kurume Medical Journal 編集部の論文