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Title: Xiphoid size and gender differences : an anatomical study
Authors: Manche, Alexander
Grima, Carmel
Camilleri, Liberato
Keywords: Xiphoid process
Physical diagnosis
Issue Date: 2021
Publisher: Pulsus Group, Inc.
Citation: Manche, A., Grima, C., & Camilleri, L. (2021). Xiphoid size and gender differences : an anatomical study. International Journal of Anatomical Variations, 14(5), 95-96.
Abstract: Background: Several studies have documented anatomical variations of the sternum. Because of its central role as an anchor of various abdominal muscles we have investigated a possible correlation between xiphoid length and body habitus indices, in both males and females.
Method: Measurements of sternal length were obtained prior to median sternotomy during cardiac surgery. Body Surface Area (BSA) was calculated from height and weight, using standard tables. A xiphoid 1cm or less in length was considered vestigial.
Results: The xiphoid was significantly longer in males. There was a positive significant correlation between xiphoid length and patient height and BSA in males, but not in females. Vestigial xiphoid was significantly commoner in females.
Conclusion: Our results demonstrate a marked gender difference in xiphoid morphology, with proportional scaling only exhibited in males. The absence of this scaling in females suggests an alternative mechanism behind vestigial xiphoid.
Appears in Collections:Scholarly Works - FacSciSOR

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