本文报道临床罕见的结肠原发性恶性淋巴瘤5例,结合文献复习,对其发病率、诊断、治疗和预后进行了较系统讨论。鉴于本病诊断常较困难而易延误病情,故作者主张对剖腹探查适应证取积极态度,术中对原发病灶及取局部淋巴作病理切片性质的判断应慎重,全面考虑。本组5例术后生存时间平均近1年。 This article reports 5 cases of clinically rare primary lymphoma of the colon, combined with literature review, a systematic discussion of its incidence, diagnosis, treatment and prognosis. In view of the fact that the diagnosis of this disease is often difficult and it is easy to delay the disease, the author advocates a positive attitude towards the exploratory indication of laparotomy. The judgment of the primary lesion and the nature of the pathological section of the lymphatic tissue during the operation should be considered carefully and fully considered. The average survival time of this group of 5 patients was nearly 1 year.