Segmentectomy-oriented anatomical model for enhanced precision surgery of the left upper lobe.

Area of Science:

• Thoracic Surgery
• Anatomical Research
• Pulmonary Medicine

Background:

• Complex segmentectomy of the left upper lobe presents challenges due to anatomical variations.
• Optimizing surgical outcomes and minimizing complications requires detailed topographical understanding.

Purpose of the Study:

• To investigate the topographical anatomy of the left upper lobe.
• To develop a segmentectomy-oriented anatomical model for complex left upper lobe segmentectomies.

Main Methods:

• Utilized a 3D computed tomography workstation to visualize intersegmental planes and veins in 395 patients.
• Categorized anatomical patterns influencing segmentectomy, focusing on central vein variations and transverse S3 anatomy.

Main Results:

• The central vein was present in 32% of patients, influencing surgical access.
• Transverse S3 anatomy was observed in 27% of patients, with implications for resection extent.
• A negative correlation between transverse S3 and central vein presence was noted; lingular vein drainage anomalies occurred in 6%.

Conclusions:

• The study provides a segmentectomy-oriented anatomical model for the left upper lobe.
• This model aids in precise, individualized surgical planning for segmentectomy.
• Improved anatomical understanding can lead to better patient outcomes in complex lung surgeries.