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目的：回顾分析原发性胃肠淋巴洛的临床情况及误诊原因。方法：收集1980－1996年住院的18例原发性胃肠道淋巴瘤的临床资料。结果：18例淋巴瘤病人中，以老年人多见（77．8％），临床表现、X线检查、内镜表现具有复杂化、多样化的特点，在手术前多数误诊。结论：提高对本病的认识，对疑似的病例应结合X线、内镜及病理学检查特点加以判断，及时行剖腹探查是减少误诊和深诊的主要手段。
Objective: To retrospectively analyze the clinical situation and misdiagnosis of primary gastrointestinal lymphoma. Methods: The clinical data of 18 patients with primary gastrointestinal lymphoma hospitalized from 1980 to 1996 were collected. Results: Of the 18 patients with lymphoma, most of them were elderly (77.8%). The clinical manifestations, X-ray examination, and endoscopic findings were complicated and diversified. Most of them were misdiagnosed before surgery. Conclusion: To improve the understanding of the disease, the suspected cases should be judged by the characteristics of X-ray, endoscopy and pathological examination. The timely exploratory laparotomy is the main means to reduce misdiagnosis and deep diagnosis.