以结肠病变为表现的原发性阑尾黏液囊腺癌1例

Primary appendiceal mucinous cystadenocarcinoma presenting with colonic lesions:a case report

阑尾原发性肿瘤少见,约占胃肠道肿瘤的0.5%^([1])。在阑尾原发性肿瘤中,恶性病变占34%^([2])。原发性阑尾黏液囊腺癌(primary mucinous cystadenocarcinoma of the appendix,PMCA)更为少见,因其发病隐匿,以升结肠巨大黏膜下隆起性病变为首发表现的PMCA更为罕见,现报道1例。