胃肠套细胞淋巴瘤(mantle cell lymphoma,MCL)是一种少见的淋巴造血系统肿瘤,常发生于老年男性,内镜下常表现为息肉或肿块,组织学表现为单一的形态较小的淋巴细胞增生。因其发病率低,易漏诊和误诊~([1])。本文收集23例胃肠道套细胞淋巴瘤,总结其临床病理特征。1材料与方法 Mantle cell lymphoma (MCL) is a rare tumor of the lymphatic hematopoietic system, often occurs in elderly men, endoscopic often showed polyps or lumps, histological manifestations of a single form of smaller lymph nodes Cell proliferation. Because of its low incidence, easy misdiagnosis and misdiagnosis ~ ([1]). This article collected 23 cases of gastrointestinal mantle cell lymphoma, summing up its clinical and pathological features. 1 materials and methods