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日本消化道内窥镜学会,对微小胃癌尚有争议。一九六九年规定长径为1cm以下为微小胃癌,一九七八年又规定为5mm以下为微小胃癌。但是,小的恶性肿瘤术前诊断是有困难的,多数是术后病理检查发现。本文研究了手术切除的470例522个病变的早期胃癌中,癌肿的最长径在1cm以下的患者61例,单发性早期胃癌38例,多发性早期胃癌23例。单发性早期胃癌中,合并其他部位良性病变者17例,单纯早期胃癌21例。在性别比例中,男性46例,女性15例,男女之比为3:1。年龄分布高峰在50～60岁,平均年龄为57.6岁。
The Japanese Society of Gastrointestinal Endoscopy, there is controversy about tiny gastric cancer. In 1969, a long diameter of 1 cm or less was considered to be a tiny gastric cancer, and in 1978 it was specified to be 5 mm or less as a tiny gastric cancer. However, the preoperative diagnosis of small malignant tumors is difficult, and most of them are postoperative pathological findings. This article studied 470 cases of 522 lesions of early gastric cancer surgical resection, the longest diameter of the tumor in patients with less than 1cm in 61 cases, 38 cases of single early gastric cancer, multiple early gastric cancer in 23 cases. In single early gastric cancer, there were 17 cases with benign lesions in other sites and 21 cases with simple early gastric cancer. In the sex ratio, there were 46 males and 15 females, with a ratio of 3:1 male to female. The peak of age distribution ranges from 50 to 60 years old and the average age is 57.6 years old.