Ultrasonography in diagnosis of appendicitis and its complications in pediatric patients: a cross-sectional study | ||||
| Annals of Pediatric Surgery | ||||
| Volume 16, Issue 1, January 2020 PDF (694.88 K) | ||||
| DOI: 10.1186/s43159-020-00023-1 | ||||
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| Authors | ||||
Parisa Hajalioghli; Soroush Mostafavi; Mohammad Mirza-Aghazadeh-Attari 
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| Abstract | ||||
| Background Appendicitis is a common cause of acute abdomen in pediatrics. Although various criteria have been suggested in early diagnosis of appendicitis, these criteria are not as applicable for pediatric patients. Because of this, imaging has an important role in the diagnosis of appendicitis in pediatric patients. The present study was conducted on 121 pediatric patients with possible diagnosis of appendicitis. All of the patients underwent initial evaluation and then underwent sonographic imaging. Sonography was used to assess the existence of signs associated with appendicitis, or its complications. Imaging findings were compared in patients with complications with those with complications. True false positive, false negative, true positive, and true negative values were calculated. Sensitivity and specificity of ultrasonography in determining appendicitis was evaluated. Results The mean age of children was 8.08 ± 3.25 years, with ages ranging from 3 to 14 years. Of the 121 children, 74(61.2%) were male and 47(38.8%) were female. In total, there were 3(2.4%) false positives and 2(1.6%) false negatives based on sonographic findings. There were also 54(44.6%) true positive and 62(51.2%) true negative based on sonographic findings. Based on the findings of ultrasound in this study, ultrasound sensitivity was 96.4%, specificity was 95.3%, positive predictive value was 94.7%, and negative predictive value was 96.8%. Conclusion Ultrasonography is indicated in the diagnosis of appendicitis in pediatric patients and has optimal sensitivity and specificity in the diagnosis. Furthermore, it is a suitable diagnostic method for evaluating complications of appendicitis. | ||||
| Keywords | ||||
| Appendicitis; Pediatrics; abdomen; sonography; Diagnostics | ||||
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