弥漫性大B细胞淋巴瘤(DLBCL)是一组临床表现、形态学、免疫表型各异的淋巴瘤,是非霍奇金淋巴瘤(NHL)最常见的亚型,好发于老年人,误诊率高。现将我们所遇1例分析如下。1病历摘要男,83岁。因阵发性上腹痛6 d入院。6 d前无明显诱因出现阵发性上腹部疼痛,与进食关系不明显。既往有 Diffuse large B-cell lymphoma (DLBCL) is a group of lymphomas with clinical manifestations, morphological features and immunophenotypes. It is the most common subtype of non-Hodgkin’s lymphoma (NHL) and occurs in the elderly. Misdiagnosis High rate. Now we encounter a case as follows. 1 medical record Summary Male, 83 years old. Due to paroxysmal abdominal pain 6 d admission. 6 d before no obvious incentive to paroxysmal upper abdominal pain, and eating is not obvious. Past there