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Surgical and Radiologic Anatomy

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21.07.2023 | Original Article

Identification of anatomical types of segmental bronchi in left superior and lingular lobes using multi-slice CT

verfasst von: Saeed Javed, Yixuan Mei, Yi Zhang, Dian Wan, Hailan Liu, Cheng Liu, Shuwei Liu

Erschienen in: Surgical and Radiologic Anatomy | Ausgabe 11/2023

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Abstract

Purpose

The objectives of this study were to evaluate various branching patterns of segmental bronchi in the left superior and lingular lobes and to survey the anatomical diversity and sex-related differences of these branches in a large sample of the study population.

Materials and methods

Overall, 10,000 participants (5428 males, and 4572 females, mean age 50 ± 13.5 years [SD] years; age range: 3–91 years) who underwent multi-slice CT (MSCT) scans between September 2019 and December 2021 were retrospectively included. Using the syngo.via post-processing workstation, the data were applied to generate three-dimensional (3D) and virtual bronchoscopy (VB) simulations of a bronchial tree. The reconstructed images were then interpreted to identify and categorize distinct bronchial patterns in the left superior and lingular lobes. Cross-tabulation analysis and the Pearson Chi-square (χ²) test were used to calculate the constituent ratios of bronchial branch types and determine their significance between male and female groups.

Results

Our results revealed mainly four distinct types for the left superior lobe (LSL) bronchial tree, i.e., (B1 + 2, B3, 76.13%); (B1 + 2 + 3, 17.32%); (B1 + 3, B2, 5.74%); (B1a + B3, B1b + B2, 0.81%) and two types for the left lingular lobe (LLL) bronchial tree, i.e., (B4, B5, 91.05%); (B4, B5, B*, 8.95%). There were no significant sex-related differences in the proportion of bronchial branches in LLL (P > 0.05). However, sex-related differences were significant in the proportion of bronchial branches in LSL (P < 0.05).

Conclusion

The current study has validated the presence of segmental bronchial variations in the left superior and lingular lobes. These findings may have a crucial effect on the diagnosis of symptomatic patients, as well as in carrying out procedures such as lung resections, endotracheal intubation, and bronchoscopies.

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Titel: Identification of anatomical types of segmental bronchi in left superior and lingular lobes using multi-slice CT
verfasst von: Saeed Javed
Yixuan Mei
Yi Zhang
Dian Wan
Hailan Liu
Cheng Liu
Shuwei Liu
Publikationsdatum: 21.07.2023
Verlag: Springer Paris
Erschienen in: Surgical and Radiologic Anatomy / Ausgabe 11/2023
Print ISSN: 0930-1038
Elektronische ISSN: 1279-8517
DOI: https://doi.org/10.1007/s00276-023-03208-6

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Identification of anatomical types of segmental bronchi in left superior and lingular lobes using multi-slice CT

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