Imaging characteristics and surgical methods of pulmonary nodules located in external lung 1/3 group versus internal lung 2/3 group
- VernacularTitle:肺外1/3组和肺内2/3组肺结节影像学特征及手术方式的比较
- Author:
Dehao LIU
1
;
Liangzhong LIAO
2
;
Puchen LI
3
;
Yue LIU
3
;
Lichun CHEN
4
Author Information
1. 1.Department of Radiology, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361003, Fujian, P. R. China 2. The Third Clinical Medical College, Fujian Medical University, Fuzhou, 350122, P. R. China
2. epartment of Radiology, Xiamen Hospital of Traditional Chinese Medicine, Xiamen, 361003, Fujian, P. R. China
3. Department of Radiology, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361003, Fujian, P. R. China
4. Department of Radiology, Xiamen Hospital of Traditional Chinese Medicine, Xiamen, 361003, Fujian, P. R. China
- Publication Type:Journal Article
- Keywords:
CT-guided localization;
pulmonary nodules;
video-assisted thoracoscopic surgery;
imaging characteristics;
surgical method
- From:
Chinese Journal of Clinical Thoracic and Cardiovascular Surgery
2025;32(02):180-184
- CountryChina
- Language:Chinese
-
Abstract:
Objective To compare the imaging characteristics and surgical methods of pulmonary nodules in the external 1/3 group and internal 2/3 group. Methods A retrospective analysis of clinical data from patients who underwent thoracoscopic preoperative CT-guided lung nodule localization at the Department of Radiology, the First Affiliated Hospital of Xiamen University from September 2020 to April 2022 was conducted. Results A total of 215 patients were enrolled (247 pulmonary nodules), including 70 males and 145 females, with a median age of 48 years. Based on the location of the nodules under CT guidance, those located in the external 1/3 area of the lung were classified into an external 1/3 group, while those located in the middle 1/3 and inner 1/3 areas were classified into an internal 2/3 group. There was no statistical difference between the two groups in terms of general clinical data, nature of pulmonary nodules, distribution of pulmonary nodules in lobes, localization time, or localization complications (P>0.05). However, there were statistical differences in the distance of pulmonary nodules from the pleura [0.6 (0.0-1.9) cm vs. 1.8 (0.0-4.5) cm, P<0.001], size of pulmonary nodules [0.7 (0.2-1.8) cm vs. 1.0 (0.2-2.0) cm, P<0.001], and surgical methods (P=0.002). In the external 1/3 group, 92.1% of nodules underwent thoracoscopic wedge resection, while fewer patients underwent other procedures; in the internal 2/3 group, 77.1% of nodules underwent thoracoscopic wedge resection, and 19.3% underwent segmentectomy. Conclusion The diameter of pulmonary nodules, the distance of pulmonary nodules from the pleura, and surgical methods differ between the external 1/3 group and internal 2/3 group. Thoracic surgeons can develop more precise surgical plans based on the location and size of pulmonary nodules.
