Ultrasonography for diagnosis of appendicitis in children
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We read with great interest the article by Held et al. about “The non-visualized appendix and secondary signs on ultrasound for pediatric appendicitis in the community hospital setting. Pediatr Surg Int. 2018 Dec; 34(12):1287–1292” . Graded compression ultrasound is considered diagnostic of appendicitis if it demonstrates a non-compressible, blind-ending structure in the right lower quadrant (RLQ) that is greater than 6 mm in diameter . Failure to visualize the appendix or a non-visualized appendix (NVA) occurs with 20–60% of right lower quadrant US performed in children [1, 3]. Held et al. stated that “Secondary signs of inflammation including free fluid, ileus, fat stranding, abscess, and lymphadenopathy attributable to appendicitis on ultrasound may aid with diagnosis in the setting of a NVA. Six hundred and seventeen ultrasounds were reviewed; 470 of these had a NVA. Of NVAs, 47 (10%) patients were diagnosed with appendicitis. According to Held et al.,...
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The authors have no conflict of interest to disclose.
This article does not contain any studies with human participants or animals performed by any of the authors.
- 3.Nah SA, Ong SS, Lim WX, Amuddhu SK, Tang PH, Low Y (2017) Clinical relevance of the nonvisualized appendix on ultrasonography of the abdomen in children. Biomed Res Int 182:164–169.e161Google Scholar