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Related Experiment Video

Updated: May 9, 2025

Intraoperative Gastroscopy for Tumor Localization in Laparoscopic Surgery for Gastric Adenocarcinoma
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Precise Localization of the Subsolid Lesion by Colour Marking under CT-Guided Control before Video-Assisted Surgery

Vladimír Červeňák1, Zdeněk Chovanec2, Jan Resler2

  • 1Department of Medical Imaging, St. Anne's University Hospital Brno, Faculty of Medicine, Masaryk University, Brno, Czechia.

Case Reports in Oncology
|April 30, 2025
PubMed
Summary
This summary is machine-generated.

Preoperative color marking aids in locating elusive lung nodules for minimally invasive surgery. This technique improves surgical success and safety, especially for subsolid nodules, reducing the need for extensive procedures.

Keywords:
Blue dye markingLung cancerSubsolid noduleVideo-assisted surgery

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Area of Science:

  • Pulmonology
  • Thoracic Surgery
  • Diagnostic Imaging

Background:

  • Lung lesions, often found incidentally on CT scans, present diagnostic challenges due to varied causes.
  • Subsolid lung nodules can be difficult to locate during surgery due to their intangible nature.
  • Minimally invasive surgery, like video-assisted thoracoscopic surgery (VATS), offers advantages over extensive procedures.

Observation:

  • A 51-year-old female with a history of melanoma presented with a subsolid lung nodule.
  • The nodule showed slow growth and morphological changes over 4 years.
  • Surgical resection was indicated due to nodule persistence and progression.

Findings:

  • Preoperative marking using a CT-guided mixture of blue dye and contrast agent successfully localized the subsolid nodule.
  • The lesion was resected using minimally invasive video-assisted surgery (VATS).
  • Color marking enabled accurate identification of a subpleural lesion, preventing extensive surgery.

Implications:

  • Color marking enhances the accuracy and safety of lung nodule resection.
  • This technique is crucial for subsolid and small nodules, facilitating VATS.
  • Improved localization minimizes surgical invasiveness and patient morbidity.