Related Experiment Video
Updated: Jun 26, 2026

11:17
Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer
Published on: February 27, 2026
A dangerous venous variation in thoracoscopic right lower lobectomy
Shunsuke Endo1, Hiroyoshi Tsubochi, Tomoyuki Nakano
1Department of General Thoracic Surgery, Saitama Medical Center, Jichi Medical University, Omiya-ku, Saitama, Japan. tcvshun@jichi.ac.jp
The Annals of Thoracic Surgery
|January 24, 2009
Summary
Anatomical variations in pulmonary veins pose surgical risks. Awareness of superior pulmonary vein anomalies is crucial for safe thoracoscopic right lower lobectomy to prevent bleeding.
Area of Science:
- Thoracic surgery
- Vascular anatomy
- Pulmonary medicine
Background:
- Pulmonary resection carries risks due to anatomical variations.
- Superior pulmonary vein anomalies can complicate thoracic procedures.
Observation:
- A specific dangerous variation of the superior pulmonary vein was identified.
- This variation was noted during thoracoscopic right lower lobectomy.
Findings:
- The identified superior pulmonary vein variation presents a significant risk.
- Accidental division of this anomalous vessel can occur without preoperative knowledge.
Implications:
- Preoperative identification of pulmonary vessel variations is essential.
- Enhanced awareness improves patient safety during pulmonary resections.
- This knowledge aids in preventing intraoperative complications and damage to pulmonary circulation.
Related Concept Videos
Endoscopic Studies II: Thoracocentesis
Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
Veins of Thorax
The azygos system is a crucial part of the body's circulatory system and drains most of the thorax. It comprises the azygos, hemiazygos, and accessory hemiazygos veins.
The azygos vein, positioned just right of the midline and anterior to the vertebral column, begins at the junction of the right ascending lumbar and subcostal veins, terminating in the superior vena cava. This vein drains blood from the right side of the thoracic wall, thoracic viscera, and posterior abdominal wall.
The...
The azygos vein, positioned just right of the midline and anterior to the vertebral column, begins at the junction of the right ascending lumbar and subcostal veins, terminating in the superior vena cava. This vein drains blood from the right side of the thoracic wall, thoracic viscera, and posterior abdominal wall.
The...
Pneumothorax II: Pathophysiology
Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance between...

