阑尾腺癌较为少见，大多数阑尾腺癌表现为感染或无症状，诊断较难，临床诊断的阑尾腺癌亦不多见，笔者收治了１例，报道如下。 患者，男，７５岁，农民。因右下腹包块伴隐痛４月，加重１月于１９９９年３月２２日入院。无低热、乏力、消瘦，无大便习惯改变及柏油样便。查体： Adenocarcinoma of the appendix is ​​rare, and most appendiceal adenocarcinomas appear to be infected or asymptomatic. Diagnosis is difficult. Clinically diagnosed appendiceal adenocarcinomas are also rare. The author has treated 1 patient and reported as follows. Patient, male, 75 years old, farmer. Due to the pain in the lower right abdomen with pain in April, an increase in January was admitted to the hospital on March 22, 1999. No fever, fatigue, weight loss, no bowel habits and tarry stools. Physical examination: