We evaluated the treatment method for large anomalous arteries and the stumps thereof in cases with intralobar pulmonary sequestration of the left and right lower lung lobes, in which lower lobectomy under thoracoscopy was carried out with favorable outcomes. [Case 1] A 54-year-old male. An anomalous artery was observed diverging from the descending aorta of the chest and flowing into the right lower lung lobe. It was diagnosed as intralobar pulmonary sequestration of the right lower lung lobe, and a VATS lobectomy of the right lower lung lobe was carried out. The anomalous artery, with a diameter of 18 mm, was exfoliated to the lower aorta and ligated from the center using vessel tapes, No. 2 silk thread, and No. 1 silk thread, in that order, after which the peripheral part was separated using an automatic suture device. [Case 2] A 27-year-old male. A VATS lobectomy of the left lower lung lobe was carried out for intralobar pulmonary sequestration of the left lower lung lobe. An anomalous artery, with a diameter of 13 mm, flowing into the left basal segment from the descending aorta of the chest near the diaphragm was treated in the same way as in Case 1. The post-operative dynamic CT indicated no signs of stump swelling of the anomalous artery stumps in either case. The treatment of anomalous arteries at our hospital involves double ligature and the use of an automatic suture device, which we believe guarantees safety and reliability.
"},{"@language":"ja","@value":"右と左の下葉肺葉内肺分画症に対し，VATS肺葉切除術を行い良好な経過が得られ，太い異常動脈処理法とその断端について検討した．【症例1】54歳男性．胸部下行大動脈から分岐し，右肺下葉に流入する異常動脈を認めた．右下葉肺葉内肺分画症の診断となり，VATS右下葉切除術を行った．直径18 mmの異常動脈を下大静脈まで剥離し，異常動脈を中枢側からvessel tape，2号絹糸，1号絹糸の順に結紮し，最後に自動縫合器にて末梢を切離した．【症例2】27歳男性．左下葉肺葉内肺分画症にて，VATS左下葉切除術を行った．胸部下行大動脈の横隔膜付近より直径13 mmの異常動脈が左肺底区に流入しており，異常動脈処理は症例1と同様に行った．術後Dynamic CTで異常動脈断端は，ともに断端瘤の徴候はない．当院での異常動脈の処理法は，二重結紮と自動縫合器で行い，安全性確実性が確保できていると考えられる．
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