老年性回盲部癌并发阑尾炎，常因临床表现与急性阑尾炎或阑尾脓肿相似而误诊。１９９０～１９９８年，我院共收治回盲部癌并发阑尾炎或阑尾脓肿１２例，均经病理证实。现报告如下，并结合临床探讨其误诊原因及预防措施。临床资料：本组男８例，女４例；年龄５６～７９岁，平均 Aged ileocecal cancer complicated by appendicitis is often misdiagnosed because of clinical manifestation similar to acute appendicitis or appendiceal abscess. From 1990 to 1998, 12 cases of appendicitis or appendiceal abscess were treated in our hospital. All of them were confirmed by pathology. The report is as follows, combined with the clinical discussion of its misdiagnosis reasons and preventive measures. Clinical data: This group of 8 males and 4 females; aged 56 to 79 years old, average