Feasibility of low-dose unenhanced multi-detector CT in patients with suspected acute appendicitis: comparison with sonography.

Objectives: To compare unenhanced low-dose computed tomography (LDCT) and ultrasound (US) in patients with suspected acute appendicitis.

Methods: A total of 104 patients underwent US and LDCT examinations within an hour.

Results: Thirty-nine of the 104 patients had surgically confirmed acute appendicitis.