CT scan findings in the normal appendix. The appendix can be visualized in approximately 50% of patients without appendicitis, although a higher visualization rate is expected in patients who are scanned with thin-section, multislice CT scanning technology (see the image below).T scan findings in appendicitis. With high-resolution CT scanning, an abnormal appendix can be observed, and variable CT scan findings can be evaluated in patients with acute appendicitis. A few secondary findings often accompany acute appendicitis.