Classification and clinical significance of the branching patterns of the right pulmonary arteries based on the intravital CT data

MEI Yi-Xuan; ZHANG Yi; LIU Cheng

doi:10.16098/j.issn.0529-1356.2023.04.011

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Acta Anatomica Sinica ›› 2023, Vol. 54 ›› Issue (4) : 453-459. DOI: 10.16098/j.issn.0529-1356.2023.04.011

Anatomy

Classification and clinical significance of the branching patterns of the right pulmonary arteries based on the intravital CT data

LIU Hai-lan¹ MEI Yi-xuan¹ ZHANG Yi² LIU Cheng² LIU Shu-wei^1*

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Abstract

Objective To track and make statistics of the right pulmonary arteries’ branches and to study the clinical significance. Methods Technologies of vascular volume rending were used to analyze the 350 CT pulmonary angiography images. And the three-dimensional display was used to classify the pulmonary arteries. Results According to the 350 reconstructed result, the right upper pulmonary arteries were divided into 6 types: anterior trunk+ post ascending artery, anterior trunk, anterior trunk+ anterior ascending artery+ post ascending artery, superior anterior trunk + inferior anterior trunk+ post ascending artery, anterior trunk+ anterior ascending artery and superior anterior trunk+ inferior anterior trunk. The right middle pulmonary arteries were divided into 2 types: one branch and two branches. As for the right lower pulmonary arteries, the apical arteries were divided into 3 types: one branch, two branches and three branches. The basal segmental arteries were divided into 3 types: medial basal segmentalartery+anterior basal segmental artery+lateroposterior basal segmental artery, medioanterior basal segmental artery+lateroposterior basal segmental artery and medial basal segmental artery+anterior and lateral basal segmental artery+posterior basal segmental artery. To be specific, anterior trunk+ post ascending artery type (56.6%) occupied the most in the right upper pulmonary arteries. The majority type of right middle pulmonary artery was one branch(57.4%). In the right lower pulmonary arteries, apical artery of the lower lobe (one branch)+medial basal segmental artery+anterior basal segmental artery+lateroposterior basal segmental artery type（32.5%）was most common. Conclusion The classification of the right pulmonary arteries based on the three dimensional reconstruction of CT pulmonary angiography is of significant to surgical precision therapy of lung tumor.

Key words

Pulmonary artery / CT pulmonary angiography / Volume rending / Anatomy / Human

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LIU Hai-lan MEI Yi-xuan ZHANG Yi LIU Cheng LIU Shu-wei. Classification and clinical significance of the branching patterns of the right pulmonary arteries based on the intravital CT data[J]. Acta Anatomica Sinica. 2023, 54(4): 453-459 https://doi.org/10.16098/j.issn.0529-1356.2023.04.011

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