Abstract
Objective: To retrospectively evaluate the accuracy of computed tomography (CT) ultrasonography (US) in the diagnosis of acute appendicitis, confirm the post-appendectomy result via histopathology, and compare the sensitivity and specificity of ultrasonography (US) to CT scans. Methods: A retrospective cohort -chart review of 244 patient who underwent CT and US for diagnosis of suspected acute appendicitis in single center -King Saud Hospital, Unaizah, Qassim Region, Saudi Arabia was performed. Result: All study participants underwent CT scans as part of their diagnostic workup. Of the 244 patients, 240 (98.4%) returned with findings suggestive of acute appendicitis. Of the total number of participants, 203 were confirmed via US out of which only 30.0% of them had features on US scans suggestive of acute appendicitis. The majority of the patients did not have any complications (83.6%) Conclusion: CT scan can be considered the best modality to diagnose acute appendicitis and its complications with sensitivity of 98% and specifty of 16.7 compared to US, which shows 100% specificity and 29% sensitivity.