第4巻 2008年4月　第2号

■症例報告

左肺底区動脈大動脈起始症の2例
窪倉　浩俊^1,2,3, 小泉　潔^1,3, 吉野　直之^1,2,3, 日野　光紀², 大秋　義治⁴, 清水　一雄^1,3
1日本医科大学大学院医学研究科機能制御再生外科学
²日本医科大学千葉北総病院呼吸器センター
³日本医科大学外科学（内分泌・心臓血管・呼吸器部門）
⁴日本医科大学千葉北総病院病理部

Anomalous Systemic Arterial Supply to the Basal Segment of the Left Lung: A Report of Two Cases
Hirotoshi Kubokura^1,2,3, Kiyoshi Koizumi^1,3, Naoyuki Yoshino^1,2,3, Mitsunori Hino², Yoshiharu Oaki⁴ and Kazuo Shimizu^1,3
1Department of Biological Regulation and Regenerative Surgery, Graduate School of Medicine, Nippon Medical School
²Respiratory Care Center, Nippon Medical School Chiba Hokusoh Hospital
³Department of Surgery (Divisions of Endocrine, Cardiovascular and Thoracic Surgery), Nippon Medical School
⁴Department of Pathology, Nippon Medical School Chiba Hokusoh Hospital

Anomalous systemic arterial supply to the basal segment of the left lung (ABLL) is a rare congenital disorder in which an aberrant artery arising from the descending thoracic aorta supplies the basal segment of the left lower lobe, which is then drained through the normal pulmonary vein. We report two cases of ABLL treated at Nippon Medical School Chiba Hokusoh Hospital. The first patient was a 56-year-old woman who was admitted to our hospital because of hemoptysis. ABLL was suspected on the basis of computed tomography of the chest. The second patient was a 22-year-old man who was admitted to the emergency room of another hospital presenting with severe hemoptysis due to a contusion of the back, and was then transferred to our hospital after the symptoms improved. ABLL was diagnosed in both patients by means of bronchoscopy and angiography (aortography and pulmonary arteriography). Left lower lobectomy and ligation of aberrant artery were successfully performed.

日医大医会誌 2008; 4(2), 118-122

Key words
systemic arterial supply to the lung, chest computed tomography scan, aberrant artery, normal bronchial tree

Correspondence to
Hirotoshi Kubokura, Division of Thoracic Surgery, Department of Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
E-mail：kubokura@nms.ac.jp

受付：2007年10月19日　受理：2008年1月10日