Clinical value of ultrasound for diagnosing acute appendicitis : A prospective observational diagnostic study

Objective To explore the ultrasound diagnosis of acute appendicitis. Methods This study included 82patients with acute appendicitis who underwent ultrasound examination. Results Echo characteristics of appendix lesions and surroundings associated with their pathological types. Thirty six cases of acute simple appendicitis, 23 cases of acute phlegmonous appendicitis, 8 cases of acute gangrenous appendicitis, 8 cases of appendiceal abscess were diagnosed, and 7 cases were misdiagnosed or missed. Conclusion Ultrasound is a convenient, noninvasive and economical method of diagnose acute appendicitis. Ultrasound can reduce the misdiagnosis rate, evaluate severity,prompt surgical indications, improve the diagnosis of acute appendicitis, and provide diagnostic and surgical basis for acute appendicitis.