一般认为,原发性胃恶性淋巴瘤是一种少见的胃肿瘤,我院曾收治4例(临床资料见附表).讨论据文献统计,胃恶性淋巴瘤占胃恶性肿瘤1~4%.但晚近报告其发生率逐渐增加,由1956年0.3%增加到1978年11.3%.本文4例占我院同期胃镜检出胃癌数2.5%.Russo等研究,内窥镜诊断本病标准为:(1)多发性溃疡,其形态不规则或呈地图样伴 It is generally believed that primary gastric malignant lymphoma is a rare type of gastric tumor and has been treated in 4 cases in our hospital (see the attached table for clinical data). Discussion According to literature statistics, gastric malignant lymphoma accounts for 1 to 4% of gastric malignant tumors. However, it was reported recently that the incidence gradually increased, from 0.3% in 1956 to 11.3% in 1978. This case accounted for 2.5% of gastric cancers detected by gastroscopy in our hospital in the same period. Russo et al., The endoscopic diagnosis of this disease is: 1) Multiple ulcers, irregular or map-like