Diagnostic power of various computed tomography signs in diagnosing acute appendicitis

被引:38
作者
Lai, Vincent [1 ]
Chan, Wan Chi [1 ]
Lau, Hin Yue [1 ]
Yeung, Tsz Wai [1 ]
Wong, Yiu Chung [1 ]
Yuen, Ming Keung [1 ]
机构
[1] Tuen Mun Hosp, Dept Radiol, Tuen Mun, Hong Kong, Peoples R China
关键词
Acute appendicitis; Computed tomography; Diagnostic signs; Maximal diameter; Periappendiccal inflammation; LOWER QUADRANT PAIN; SUSPECTED APPENDICITIS; HELICAL CT; APPENDICOLITH; PREVALENCE; CHILDREN; DISEASE; IMPACT;
D O I
10.1016/j.clinimag.2011.04.003
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Objective: To review the diagnostic power of various computed tomography (CT) signs in acute appendicitis, in particular those initially classified as inconclusive. Materials and methods: Retrospective review of 100 CT abdomen and pelvis studies with assessment of maximal luminal diameter, wall thickness and cross-sectional diameter of the appendix, periappendiceal inflammatory changes, and presence of appendicolith. Results: All CT signs show statistically significant occurrences in acute appendicitis. Their respective cut-off values with best sensitivity and specificity were calculated. Those from the inconclusive cases were also reviewed. Conclusion: Maximal cross-sectional diameter of the appendix is the most powerful parameter. Rest of the CT signs is supportive, especially in cases with inconclusive results. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:29 / 34
页数:6
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