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01-12-2020 | Lung Cancer | Original Article

An analysis of anatomical variations of the left pulmonary artery of the interlobar portion for lung resection by three-dimensional CT pulmonary angiography and thin-section images

Authors: Makiko Murota, Yuka Yamamoto, Katashi Satoh, Mariko Ishimura, Naoya Yokota, Takashi Norikane, Katsuya Mitamura, Yasukage Takami, Kengo Fujimoto, Yoshihiro Nishiyama

Published in: Japanese Journal of Radiology | Issue 12/2020

Abstract

Purpose

The purpose of the present study was to analyze the left pulmonary artery (LPA) branching pattern of the interlobar portion using three-dimensional CT pulmonary angiography (3D-CTPA) and thin-section CT images, and to attempt to diagrammatize these patterns.

Materials and methods

The study included 320 patients suspected of having lung cancer of the left upper/lower lobe who underwent CTPA. The number and origin of the LPA branches of the interlobar portion, A1 + 2c, A6, and lingular artery from pars interlobaris (PI), were identified meticulously using 3D-CTPA and thin-section images. We then diagrammatized the identified LPA branching patterns of the interlobar portion.

Results

The diagrammatized LPA branching patterns of the interlobar portion were broadly classified into seven types in the order of bifurcation from proximal to distal. Type 1 was the most frequent (120/320, 37.5%). PI originated from the lower portion, that is, from A8 or the common trunk of A8 and A9 in 95 cases (29.7%). We could also precisely diagrammatize the LPA branching patterns of the interlobar portion into 85 types in all 320 patients.

Conclusion

3D-CTPA and thin-section images provided precise preoperative information regarding the LPA branching patterns of the interlobar portion.

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Title: An analysis of anatomical variations of the left pulmonary artery of the interlobar portion for lung resection by three-dimensional CT pulmonary angiography and thin-section images
Authors: Makiko Murota
Yuka Yamamoto
Katashi Satoh
Mariko Ishimura
Naoya Yokota
Takashi Norikane
Katsuya Mitamura
Yasukage Takami
Kengo Fujimoto
Yoshihiro Nishiyama
Publication date: 01-12-2020
Publisher: Springer Japan
Keywords: Lung Cancer
Angiography
Lung Cancer
Lung Cancer
Published in: Japanese Journal of Radiology / Issue 12/2020
Print ISSN: 1867-1071
Electronic ISSN: 1867-108X
DOI: https://doi.org/10.1007/s11604-020-01024-1

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Springer Medicine

An analysis of anatomical variations of the left pulmonary artery of the interlobar portion for lung resection by three-dimensional CT pulmonary angiography and thin-section images

Abstract

Purpose

Materials and methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Materials and methods

Results

Conclusion

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