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在胃的恶性肿瘤中,除了胃癌以外,发病率占第二位的是胃粘膜相关性淋巴组织淋巴瘤(即MALT淋巴瘤),这是一类起源于胃粘膜的肿瘤。根据组织学分类,MALT淋巴瘤分为三类:①低度恶性淋巴瘤;②有低度恶性成分的高度恶性淋巴瘤;③高度恶性淋巴瘤,这三组的五年生存率分别为91％、73％和56％。低度B细胞恶性淋巴瘤的预后相对较好。 正常情况下,胃粘膜没有或仅有少量淋巴细胞,
In gastric malignancies, in addition to gastric cancer, the incidence is the second most common gastric mucosa-associated lymphoid tissue lymphoma (ie, MALT lymphoma), which is a type of tumor originating from the gastric mucosa. According to the histological classification, MALT lymphomas are divided into three categories: 1 low-grade lymphomas; 2 high-grade malignant lymphomas with low-grade components; 3 high-grade lymphomas; the five-year survival rates of these three groups are respectively 91% , 73% and 56%. The prognosis of low-grade B-cell lymphoma is relatively good. Under normal circumstances, there is no or only a small amount of lymphocytes in the gastric mucosa.