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1- department of anatomical sciences, faculty of medicine, Iran University of medical sciences, Tehran, Iran.
2- department of anatomical sciences, faculty of medicine, Zanjan University of medical sciences, Zanjan, Iran.
Abstract:   (82 Views)
Introduction
Significance of azygos lobe, as a normal variant of lungs, has been emphasized in surgery and diagnostic radiology. Therefore this study investigated the prevalence, dimensions, and estimated volume of thirteen azygos lobes.
Material and methods
Chest CT scans of 789 patients including 490 men and 297 women were analyzed retrospectively for one year (2019 to 2021) in an Iranian population. Dimensions of azygos lobe including maximum width (MW), maximum length (ML), and maximum height (MH), and also estimated volume (EV) were reported in total, and in men and women.
Result
Azygos lobe total prevalence was 1.65%. In men and women it was 1.83%, and 1.34%, respectively, showing a higher prevalence in men. Mean MW, ML, MH, and EV were 47.76±19.28, 60.03±15.91, 46.44±11.91, 88831.82±80182.03 respectively. No significant difference was detected between mean MW, ML, and MH. Although the dimensions and estimated volume were higher in men compared to women, those were not significant.
Conclusion
No reliable and sufficient data were available about the size of azygos lobes in the literature and specifically in Iranian population. Data reported in this study can be of importance in diagnosis and preventing surgical complications regarding the presence of azygos lobe.
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Type of Study: Original | Subject: Gross Anatomy
Received: 2021/08/26 | Accepted: 2021/09/26

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