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KMID : 1033220170070010023
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Journal of Acute Care Surgery
2017 Volume.7 No. 1 p.23 ~ p.29
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Multi-Detector Computed Tomography Coronal View for Deciding Optimal Incision Site in Acute Appendicitis
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Son Jun-Won
Oh Seong-Beom
Cho Hyun-Young
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Abstract
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Purpose: This study identifies the optimal incision site by describing the relationship between McBurney’s point and the base of appendix using the coronal view of abdominal multi-detector computed tomography (MDCT) in patients with acute appendicitis.
Methods: We reviewed the records of 206 patients with positive MDCT findings who were histologically diagnosed with acute appendicitis after appendectomy between January 2014 and September 2015. The outer 1/3 point between two points, the umbilicus and the right anterior superior iliac spine, was marked as McBurney’s point on the coronal view. The superoinferior, mediolateral and radial distances between the base of appendix and McBurney’s point were measured and recorded.
Results: The average age was 35.1±20.3 years. There were 34 patients below the age of 15-years-old (children), and 172 patients over 15-years-old (adults). In 35.4% of patients, the base of appendix was located within a radius of 2 cm from the McBurney’s point, in 39.8% it was within 2∼4 cm, and in 24.8% was over 4 cm. The average center coordinate of the base of inflamed appendix in our patients is 9.32 mm, 8.31 mm and the distance between two points is 12.5 mm.
Conclusion: The location of appendix has wide individual variability; therefore the McBurney’s point has limitations as an anatomic landmark. If we choose to customize appendectomy incisions considering the base of appendix by using an abdominal MDCT coronal view, additional incision site extension can be reduced.
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KEYWORD
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Appendicitis, Appendectomy, Tomography
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