原发性阑尾肿瘤较为少见,据国内外文献报告其发病率占阑尾切除标本的0.2%~1.35%[1],而阑尾腺癌更为少见,约占阑尾肿瘤的10%[2]。笔者遇到阑尾黏液腺癌误诊慢性阑尾炎1例,分析如下。1病历摘要男,43岁。因反复右下腹部疼痛2个月余而入院。患者于入院前2个月余开始出现右下腹疼痛, Primary appendiceal tumors are relatively rare, according to domestic and foreign literature reported incidence of appendectomy specimens accounted for 0.2% to 1.35% [1], and adenocarcinoma of the appendix is ​​even more rare, accounting for about 10% of the appendix tumor [2]. I encountered mucinous adenocarcinoma misdiagnosed as chronic appendicitis in 1 case, as follows. 1 medical record male, 43 years old. Due to repeated right lower quadrant pain more than 2 months admitted. Patients 2 months before admission began to appear right lower quadrant pain,