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Anatomical Pulmonary Sublobar Resection Based on Subsegment
Weibing Wu1, Zhicheng He1, Jing Xu1
1Department of Thoracic Surgery, Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
The Annals of Thoracic Surgery
|February 1, 2021
Summary
This study introduces a new subsegment-based lung cancer surgery technique. This method preserves more lung tissue than traditional segmentectomy, offering a potentially better option for small tumors.
Area of Science:
- Thoracic Surgery
- Surgical Oncology
- Pulmonary Medicine
Background:
- Traditional segmentectomy, while lung-sparing compared to lobectomy, may still be excessive for small ground glass opacity-dominated lung cancers.
- Current surgical approaches may not optimally balance oncologic control with maximal preservation of pulmonary parenchyma for specific lung cancer types.
Purpose of the Study:
- To present a novel subsegment-based surgical resection technique for lung cancer.
- To evaluate the feasibility of this technique in achieving safe margins and preserving lung function.
Main Methods:
- Utilized three-dimensional computed tomography bronchography and angiography for precise nodule localization.
- Classified nodules based on their subsegmental location.
- Performed individual sublobar resections guided by the subsegmental classification.
Main Results:
- The novel subsegment-based resection technique was successfully applied.
- This approach facilitates the removal of malignant nodules with adequate surgical margins.
- Maximal preservation of pulmonary parenchyma was achieved compared to traditional segmentectomy.
Conclusions:
- Subsegment-based resection is a viable novel technique for specific lung cancers.
- This method shows promise for enhanced pulmonary parenchyma preservation.
- Long-term oncologic outcomes and pulmonary function require further investigation.

