左下肺静脈が欠損した左単一肺静脈の１例

DOI 被引用文献2件 参考文献9件

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  • A case of single left pulmonary vein with deficiency of left inferior pulmonary vein.

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A 56-year-old male underwent left upper lobectomy with radical lymph node dissection (R2 a) for lung cancer located in the left S3.<BR>Intraoperative finding revealed that the left lung was almost non-lobulated, but the ramification of the pulmonary vein seemed to be normal.<BR>On the 2nd post operative day, congestion of the left lower lobe appeared and gradually increased.<BR>On pulmonary angiography, contrast medium remained in the left pulmonary artery and hardly shifted to the pulmonary venous phase.<BR>We concluded it might be the failure of irrigation in the residual left lower lobe and performed completion left pneumonectomy. Then the patient recovered uneventfully. The resected specimen revealed a defect of the left inferior pulmonary vein, and proved that a drainage vein from lower lobe joined to the upper pulmonary vein inside the left lung and single pulmonary vein drained into the left atrium.<BR>Though the cases of single pulmonary vein are very rare in the literature, if lobectomy is done with standard transection of the pulmonary vein in such a case, residual lung may become congested, and completion pneumonectomy will be needed.<BR>During operation, it should be carefully confirmed whether the superior and inferior pulmonary veins are separate or not.

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