Abstract：Objective To explore and compare the incidence，diagnosis and treatment between gerontal pure acute appendicitis，acute abscessing and gangrene or perforation. Methods 79 cases above 70 years old were selected whose primary diagnosis was acute appendicitis in the past decade at our hospital . They were divided into two groups by the degree of inflammation to compare symptoms、signs、blood-text and examinations. Statistic analysis was conducted. Results In the 79 cases, 77 were cured by expectant treatment or surgical operations, those who received surgeries were conformed as appenditis by pathology. The other 2 patients were finally diagnosed as ileocecus tumor by pathology. Conclusions Many methods could be used for distinguishing the degree of inflammation, in which temperature increases, right lower part belly rebound tenderness and ultrasound examination were most important. The transfers right lower abdominal pain and the rise of blood-test could also be helpful for diagnoses. Attention should be paid to distinguishing the ileocecus tumor from appendicitis.
