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目的探讨早期胃癌（ＥＧＣ）的临床及内镜特征，以提高ＥＧＣ的早诊率。方法总结分析我院近２０年４２例ＥＧＣ的临床及内镜特征的资料。结果早期胃癌４２例，占同期手术胃癌的５．０％，其中一点癌１例（２．４％），小胃癌６例（１４．３％）。隆起型６例（１４．３％），凹陷型２４例（５７．１％），平坦型２例（４．８％，即Ⅱｂ型），混合型１０例（２３．８％）。病理显示粘膜层癌（Ｍ癌）１１例（２６．１％），粘膜下层癌（ＳＭ）３１例（７３．８％）。全部病例均有上腹部不适等临床表现，但症状无特异性，４０岁以上者占８３．３％。结论凡在临床上遇有上腹不适的４０岁以上病人，应尽可能行胃镜检查，胃镜遇有粘膜色泽改变，特殊边缘的凹陷或表面不平隆起的病变，均应加强活检。
Objective To investigate the clinical and endoscopic characteristics of early gastric cancer (EGC) in order to increase the rate of early diagnosis of EGC. Methods The clinical and endoscopic features of 42 cases of EGC in our hospital in the past 20 years were summarized and analyzed. Results There were 42 cases of early gastric cancer, which accounted for 5.0% of the surgical gastric cancer in the same period. Among them, one case of cancer (2.4%) and 6 cases of small gastric cancer (14.3%). Uplift type was found in 6 cases (14.3%), depression type in 24 cases (57.1%), flat type in 2 cases (4.8% in type IIb), and mixed type in 10 cases (23.8%). Pathology showed 11 cases (26.1%) of mucosal cancer (M cancer) and 31 cases (73.8%) of submucosal cancer (SM). All cases had clinical manifestations such as epigastric discomfort, but the symptoms were not specific, accounting for 83.3% of patients over the age of 40. Conclusion Any patient over the age of 40 who has epigastric discomfort clinically should undergo gastroscopy as much as possible. Gastric mucosal changes should be observed in the gastroscope. Biopsy should be enhanced in special edge depressions or lesions with uneven surface elevations.