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Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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Peripheral pure ground-glass opacity: segmentectomy versus wedge resection.

Taobo Luo1,2, Qixun Chen1,2, Jian Zeng3,4

  • 1Department of Thoracic Surgery, Cancer Hospital of The University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), 1# East Banshan Road, Hangzhou, 310022, Zhejiang, China.

Journal of Cardiothoracic Surgery
|September 15, 2021
PubMed
Summary
This summary is machine-generated.

Segmentectomy and wedge resection for lung nodules offer similar surface area loss, but specific segment choices impact pulmonary function preservation. Wedge resection is advised for certain segments, while segmentectomy is recommended for others to maintain lung function.

Keywords:
Peripheral ground-glass opacitySegmentectomySurface areaWedge resection

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Area of Science:

  • Thoracic surgery
  • Pulmonary function preservation
  • Ground-glass opacities (GGOs)

Background:

  • Sublobar resection is standard for pure ground-glass opacities (GGOs).
  • Preserving postoperative pulmonary function is crucial due to the favorable prognosis of GGOs.
  • No prior studies compared pulmonary function preservation between segmentectomy and wedge resection.

Purpose of the Study:

  • To compare the success rates of pulmonary function preservation between segmentectomy and wedge resection for GGOs.
  • To identify optimal surgical approaches for different lung segments to maximize functional lung preservation.

Main Methods:

  • Utilized 3D CT image reconstruction to simulate segmentectomy and wedge resection.
  • Measured the cut surface area for each simulated resection.
  • Analyzed data to determine the impact of each resection type on lung surface area loss.

Main Results:

  • Segmentectomy and wedge resection showed similar surface area loss for specific segments (RS4, RS5, LS7+8, LS6, LS1+2) when equal tissue volumes were removed.
  • Wedge resection in segments RS10, LS3, LS10, RS9, and RS7 resulted in significantly greater surface area loss compared to segmentectomy.
  • Deep wedge resection should be avoided in segments RS8, RS7, RS10, LS3, LS10, RS9, and LS9 to preserve lung surface area.

Conclusions:

  • Wedge resection is recommended for segments RS4, RS5, LS1+2, and LS7+8.
  • Segmentectomy is advised for segments RS1, LS4+5, and RS2.
  • Avoid deep wedge resection in specific segments (RS8, RS7, RS10, LS3, LS10, RS9, LS9) to maximize lung surface area preservation.