Journal of the Korean Society of Radiology (대한영상의학회지)

The Korean Society of Radiology (대한영상의학회)
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Multi-Detector CT Findings of the Normal Appendix in Children: Evaluation of the Position, Diameter, and Presence or Absence of Intraluminal Gas

소아에서 정상 충수의 Multi-Detector CT 소견: 위치, 직경, 내강 가스 유무의 평가

  • Park, Woon-Ju (Department of Radiology, College of Medicine, Chungnam National University) ;
  • Kim, Jong-Chul (Department of Radiology, College of Medicine, Chungnam National University)
  • 박운주 (충남대학교 의과대학 영상의학과학교실) ;
  • 김종철 (충남대학교 의과대학 영상의학과학교실)
  • Published : 2011.08.01
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Abstract

Purpose: To assess the usefulness of multi-detector CT (MDCT) with multiplanar reformations (MPR) for the evaluation of the position, diameter and presence or absence of intraluminal gas in the normal appendix in children. Materials and Methods: From 2007 to 2010, we retrospectively analyzed the MDCT images of normal appendices in 133 children, and evaluated the position, diameter, and presence or absence of intraluminal gas in the appendix. Results: Among the 133 appendices, type I (postileal and medial paracecal position) was found in 64 children, type II (subcecal position) in 22, type III (retrocecal and retrocolic/laterocolic position) in 15, type IV (preileal and medial colic position) in 16, and type V (lower pelvic position) in 16 children. The mean diameter was 5.8 mm ${\pm}$ 1.2 (SD) (range; 3.2-8.7 mm). There was a high correlation between the appendiceal diameter and age (p = 0.000).There was no statistically significant difference in the appendiceal diameter between boys and girls (p = 0.470). Intraluminal gas was found in 115 appendices and there was no statistically significant correlation between the appendiceal diameter and intraluminal gas (p = 0.502). Conclusion: The MDCT with MPR was useful for the evaluation of the normal appendices in children. The procedure may be useful for the diagnosis of equivocal or unusual appendicitis in children.

목적: 소아에서 정상 충수의 위치, 직경 및 내강의 가스를 평가하는 데 있어서 다면적 재구성(multiplanar reformations; 이하 MPR)을 이용한 다검출식 CT (multi-detector computed tomography; 이하 MDCT)의 유용성에 대하여 알아보고자 한다. 대상과 방법: 2007년부터 2010년까지 정상 충수를 보인 133명의 소아 복부 MDCT에서, 충수의 위치, 직경, 내강의 가스 유무를 후향적으로 분석하였다. 결과: 충수의 위치는 133예 중에서 I형(말단회장 후방 및 맹장의 내측) 64예, II형(맹장의 하방) 22예, III형(맹장 및 상행결장의 후방 혹은 외측) 15예, IV형(말단회장 전방 및 상행결장의 내측) 16예, V형(하부 골반강) 16예였다. 소아의 정상 충수 직경의 평균은 5.8 ${\pm}$ 1.2 mm(SD) (range: 3.2~8.7 mm)였다. 나이와 충수 직경은 통계학적으로 높은 상관관계가 있었다(p = 0.000). 충수 직경과 성별 사이에 통계학적 유의성은 없었다(p = 0.470). 내강 가스는 115예에서 보였고 내강의 가스나 사이에는 상관관계가 없었다(p = 0.502). 결론: MPR을 이용한 MDCT는 소아의 정상 충수를 평가하는 데 유용하였다. 또한 진단하기 애매모호한 충수염이나 비전형적 위치의 충수염을 진단하는 데 도움이 될 것으로 생각된다.

Keywords

References

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