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Author Spotlight: Advancing 3D Modeling for Enhanced Diagnosis and Treatment of Pulmonary Nodules in Early-Stage Lung Cancer

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Three-dimensional navigation-guided thoracoscopic combined subsegmentectomy for intersegmental pulmonary nodules.

Wei-Bing Wu¹, Yang Xia¹, Xiang-Long Pan¹

¹Department of Thoracic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.

Thoracic Cancer

|November 4, 2018

Summary

Precise combined subsegmentectomy (CSS) using 3D-CTBA is a safe method for treating intersegmental pulmonary nodules. This technique spares lung tissue while ensuring adequate margins for anatomical resection.

Keywords:

Bronchography and angiography pulmonary nodule segmentectomy thoracoscopy three-dimensional computed tomography

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Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

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Published on: May 4, 2022

Area of Science:

Thoracic Surgery
Pulmonary Medicine
Surgical Oncology

Background:

Intersegmental pulmonary nodules often require extended or combined segmentectomies.
Precise combined subsegmentectomy (CSS) is explored as an alternative approach.

Purpose of the Study:

To evaluate the safety and efficacy of CSS guided by three-dimensional computed tomography bronchography and angiography (3D-CTBA) for intersegmental pulmonary nodules.

Main Methods:

Retrospective review of 47 patients undergoing CSS for intersegmental pulmonary nodules.
Nodule definition based on distance to intersegmental veins on 3D-CTBA.
Resection involved two adjacent subsegments centered on the involved intersegmental vein.

Main Results:

47 patients (mean age 53.6 years) underwent CSS.
Nodules predominantly in upper lobes (83.0%), mean size 0.86 cm.
Pathological stages included Tis, T1mi, IA1, IA2; diagnoses included adenocarcinoma subtypes and benign lesions.
Average operative time 190.8 min, blood loss 42.7 mL, postoperative drainage 3.0 days, hospital stay 5.3 days.

Conclusions:

Thoracoscopic CSS under 3D navigation is a safe and effective technique for intersegmental pulmonary nodules.
This method allows for preservation of more pulmonary parenchyma.
Ensures safe margins and achieves anatomical resection.