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Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer
Published on: February 27, 2026
Dangerous mediastinal basal pulmonary artery during left upper lobectomy
Tomoki Shibano1, Shunsuke Endo, Kenji Tetsuka
1Department of General Thoracic Surgery, Jichi Medical University Saitama Medical Center, Amanuma-cho, Omiya-ku, Saitama 330-8503, Japan.
Interactive Cardiovascular and Thoracic Surgery
|June 25, 2011
Summary
Anatomical variations in pulmonary arteries pose surgical risks. A rare mediastinal basal artery variation mimicking the lingular artery during left upper lobectomy highlights the need for careful pre-operative assessment to prevent complications.
Area of Science:
- Cardiovascular Surgery
- Thoracic Oncology
- Anatomical Pathology
Background:
- Pulmonary resection for lung cancer necessitates precise surgical technique.
- Anatomical variations in pulmonary vasculature can complicate surgical procedures.
- Identifying aberrant vessels is crucial to prevent intraoperative hemorrhage and ensure patient safety.
Observation:
- A case of lung cancer requiring left upper lobectomy is presented.
- The patient exhibited an unusual variation of the mediastinal basal pulmonary artery.
- This variation closely resembled the mediastinal lingular pulmonary artery, posing a diagnostic challenge.
Findings:
- The mediastinal basal pulmonary artery variation presented a significant risk of inadvertent division during lobectomy.
- Misidentification could lead to unintended damage to pulmonary circulation.
- Preoperative imaging and intraoperative vigilance are essential for recognizing such anomalies.
Implications:
- Highlights the importance of detailed pre-operative anatomical evaluation in thoracic surgery.
- Emphasizes the need for heightened awareness of vascular variations during pulmonary resections.
- Contributes to the understanding of pulmonary artery anomalies and their surgical management.

