An analysis of variations in the bronchovascular pattern of the right upper lobe using three-dimensional CT angiography and bronchography

General Thoracic and Cardiovascular Surgery
Toshiteru NagashimaIzumi Takeyoshi

Abstract

General thoracic surgeons must be familiar with anatomical variations in the pulmonary bronchi and vessels. We analyzed variations in the bronchovascular pattern of the right upper lung lobe using three-dimensional CT angiography and bronchography and then compared our results with those of previous reports. We reviewed anatomical variations in the right upper pulmonary bronchus and vessels of 263 patients using 3DCT angiography and bronchography images obtained using a 64-channel multidetector CT and workstation running volume-rendering reconstruction software. Variations in the pulmonary vein were classified into four types: the "anterior-plus-central vein type" was the most common, noted in 219 cases (83.2 %). The "anterior vein type" was evident in 23 cases (8.8 %), a significantly lower incidence than in previous reports (p < 0.001). Also, the branching patterns of the segmental arteries of the pulmonary artery differed partially from those noted in previous reports. Furthermore, we identified some new variations. The "B(1)- or B(2)-defective branch type" bronchus was noted in 19 cases (7.2 %), which was a higher prevalence than that in previous reports. We explored the bronchovascular pattern and the frequency of variatio...Continue Reading

References

Feb 25, 2003·European Journal of Radiology·Geoffrey D Rubin
Feb 28, 2003·The Annals of Thoracic Surgery·Shun-ichi WatanabeHiroshi Urayama
Apr 17, 2003·The Journal of Thoracic and Cardiovascular Surgery·Teruaki KoikeRyuta Suzuki
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May 18, 2012·Interactive Cardiovascular and Thoracic Surgery·Kimihiro ShimizuIzumi Takeyoshi

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Citations

Nov 14, 2017·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Cameron Hassani, Farhood Saremi
Sep 19, 2018·Cardiology in the Young·Peter P RoeleveldJohn M Costello
Apr 12, 2017·Journal of Huazhong University of Science and Technology. Medical Sciences = Hua Zhong Ke Ji Da Xue Xue Bao. Yi Xue Ying De Wen Ban = Huazhong Keji Daxue Xuebao. Yixue Yingdewen Ban·Hai-Long HuangDa-Cong Gong
Dec 20, 2017·General Thoracic and Cardiovascular Surgery·Seshiru NakazawaHiroyuki Kuwano
Mar 23, 2020·Surgery Today·Ryunosuke MakiAtsushi Watanabe
Aug 7, 2021·Journal of Chest Surgery·Ha Eun KimChang Young Lee
Nov 24, 2021·Surgery Today·Ryunosuke MakiAtsushi Watanabe

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Methods Mentioned

BETA
imaging techniques
dissection

Software Mentioned

SPSS
3DCT
Ziostation2

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