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Variations of pulmonary vein drainage critical for lung resection assessed by three-dimensional computed tomography angiography

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Title: Variations of pulmonary vein drainage critical for lung resection assessed by three-dimensional computed tomography angiography
Authors: Shiina, Nobuyuki Browse this author
Kaga, Kichizo Browse this author →KAKEN DB
Hida, Yasuhiro Browse this author →KAKEN DB
Sasaki, Tsukasa Browse this author
Hirano, Satoshi Browse this author →KAKEN DB
Matsui, Yoshiro Browse this author →KAKEN DB
Keywords: Anatomy
pulmonary vein
three-dimensional CT angiography
video-assisted thoracoscopic surgery
Issue Date: May-2018
Publisher: John Wiley & Sons
Journal Title: Thoracic cancer
Volume: 9
Issue: 5
Start Page: 584
End Page: 588
Publisher DOI: 10.1111/1759-7714.12621
Abstract: Background: It is important to understand pulmonary vein drainage pattern variations and their frequency in order to perform safe anatomical pulmonary resection. Methods: Variations and frequencies were assessed using three-dimensional computed tomography angiography (3D-CT) in 194 patients. In cases where the tumor or lymph node caused atelectasis or compression of hilar structures, the involved lobes were excluded from the analyses. Results: We confirmed variant drainage patterns in 15/189 (8.0%) patients in the right upper lobe (RUL), 29/189 (15.3%) in the right middle lobe (RML), 18/192 (9.5%) in the right lower lobe (RLL), and 5/187 (2.6%) in the left upper lobe (LUL). There was no variant type in the left lower lobe (LLL). There were 14 (7.4%) cases of anomalous superior posterior pulmonary vein of RUL (V2) drainage: V2 draining to the superior pulmonary vein (SPV) (n = 2, 1.1%), V2 to the inferior pulmonary vein (IPV) (n = 7, 3.7%), V2 to the left atrium (LA) (n = 2, 1.1%), and V6 to the apical pulmonary vein of the RLL (n = 3, 1.6%). There was a posterior pulmonary vein, V3 to RML pulmonary vein in one case (0.5%). The RML pulmonary vein drained into the IPV in 14 (7.4%) and into the LA in 15 (7.9%) cases. The right V6 directly drained into the LA in 15 (7.9%) and V6 into the SPV in 3 (1.6%) cases. The lingular pulmonary vein drained into the IPV in one case (0.5%) and into the LA in two cases (1.1%). The inferior lingular pulmonary vein V5 drained into the IPV and into the LA in one case (0.5%), respectively. Conclusion: We describe anomalous pulmonary venous drainage patterns and their frequencies particular to anatomic surgical resection. 3D-CT is useful to find such variations.
Type: article
Appears in Collections:北海道大学病院 (Hokkaido University Hospital) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 樋田 泰浩

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