Journal of Chest Surgery

The Korean Society for Thoracic and Cardiovascular Surgery (대한심장혈관흉부외과학회)
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Percutaneous Electromagnetic Transthoracic Nodule Localization for Ground Glass Nodules

  • Song, Seung Hwan (Department of Thoracic and Cardiovascular Surgery, Sanggye Paik Hospital, Inje University College of Medicine) ;
  • Lee, Hyun Soo (Department of Thoracic Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine) ;
  • Moon, Duk Hwan (Department of Thoracic Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine) ;
  • Lee, Sungsoo (Department of Thoracic Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine)
  • Received : 2021.04.26
  • Accepted : 2021.10.19
  • Published : 2021.12.05
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Abstract

Background: A recent increase in the incidental detection of ground glass nodules (GGNs) has created a need for improved diagnostic accuracy in screening for malignancies. However, surgical diagnosis remains challenging, especially via video-assisted thoracoscopic surgery (VATS). Herein, we present the efficacy of a novel electrical navigation system for perioperative percutaneous transthoracic nodule localization. Methods: Eighteen patients with GGNs who underwent electromagnetic navigated percutaneous transthoracic needle localization (ETTNL), followed by 1-stage diagnostic wedge resections via VATS between January and December 2020, were included in the analysis. Data on patient characteristics, nodules, procedures, and pathological diagnoses were collected and retrospectively reviewed. Results: Of the 18 nodules, 17 were successfully localized. Nine nodules were pure GGNs, and the remaining 9 were part-solid GGNs. The median nodule size was 9.0 mm (range, 4.0-20.0 mm); and the median depth from the visceral pleura was 5.2 mm (range, 0.0-14.4 mm). The median procedure time was 10 minutes (range, 7-20 minutes). The final pathologic results showed benign lesions in 3 cases and malignant lesions in 15 cases. Conclusion: Perioperative ETTNL appears to be an effective method for the localization of GGNs, providing guidance for a 1-stage VATS procedure.

Keywords

Acknowledgement

The authors thank Medical Illustration & Design, part of the Medical Research Support Services of Yonsei University College of Medicine, for all artistic support related to this work.

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