Objective:To summarize our experience in the diagnosis and treatment of right hemicolon carcinoma combined with acute appendicitis.
Methods:A respective analysis of clinical data of 51 cases of right colon cancer complicated with acute appendicitis and confirmed by surgical operation and pathology was made.
Results:In 2400 cases of right colon cancer, 51 cases(2.1%) complicated with appendicitis. There were medical complications in 39 cases (76.5%).The diagnosis before operation was made in 13 cases (25.5%),and diagnosis of colon cancer was missed in 38 cases (74.5%).Colon adenocarcinoma was found in 40 cases,mucous adenocarcinoma 7 cases (13.7%),undifferentiated carcinoma 4 cases (7.8%); and Dukes B, C, D stages were in 2 cases (3.9%), 29 cases (56.9%) and 20 cases (39.2%) respectively.The simple appendicitis, suppurative appendicitis, gangrenous appendicitis and phlegnomous appendicitis was found in 28 cases (54.9%),11 cases (21.6%),8 cases (15.7%)and 4 cases (7.8%) respectively.3-5-year survival was 95.2%, 40.0%, respectively.
Conclusions:Occurrence rate of right colon cancer combined with appendicitis is low, but misdiagnosis rate is high, and 5-year survival rate is low.Middle and old age patients with appendicitis and accompanied with emaciation,anemia,digestive symptoms and right lower abdominal mass should have appropriate examination to avoid missing the diagnosis of right colon cancer.