目的 :分析原发性胃恶性淋巴瘤的临床特点 ,探讨诊断、治疗及预后因素。方法 :回顾性分析 2 5例原发性胃恶性淋巴瘤的临床资料。结果 :2 4例获随访 ,其 3、 5、 1 0年生存率分别为 70 8%、 58 3%、 4 6 7%。结论 :原发性胃恶性淋巴瘤术前诊断困难 ,治疗关键在于争取早期诊断 ,尽可能根治切除。综合治疗可以提高疗效 Objective: To analyze the clinical features of primary gastric malignant lymphomas and to investigate the diagnosis, treatment and prognostic factors. Methods: The clinical data of 25 cases of primary gastric malignant lymphoma were retrospectively analyzed. Results: Twenty-four patients were followed up. Their 3, 5, and 10 year survival rates were 70 8%, 58 3%, and 46.7%, respectively. Conclusion: The preoperative diagnosis of primary gastric malignant lymphoma is difficult. The key to treatment is to strive for early diagnosis and remove as much as possible. Comprehensive treatment can improve efficacy