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E. Yamaki



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    P1.16 - Surgery (ID 702)

    • Event: WCLC 2017
    • Type: Poster Session with Presenters Present
    • Track: Surgery
    • Presentations: 1
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      P1.16-007 - Mobile Computed Tomography in Video-Assisted Thoracoscopic Surgery for Ground-Glass Opacity Lung Nodules (ID 8533)

      09:30 - 09:30  |  Author(s): E. Yamaki

      • Abstract
      • Slides

      Background:
      In the thoracic surgery for non-palpable and invisible ground-glass opacity (GGO) lung nodules , various methods have been reported, such as needle sticking or infusion of roentgen non-permeable substances around the tumor under computed tomography (CT) guidance. However, there are serious problems such as air embolism and/or tumor dissemination into the thoracic cavity. Mobile computed tomography, O-arm Surgical Imaging System (Medtronic), can provide an image intraoperatively. In this study, we evaluated the usefulness of mobile computed tomography in thoracic surgery for the GGO lung nodules.

      Method:
      From December 2016 to May 2017, 3 patients with ground-glass opacity lung nodules were evaluated under video assisted thoracoscopic surgery using O-arm system. Before surgery, the patient was placed in lateral decubitus position in the CT room, and the skin directly above the tumor was marked with a skin marker. In the operation room, a port was made on the marked position, and a Naruke's thoraco cotton dyed with indigo carmine was introduced into the port to mark the visceral pleura just above the lesion. Then, the tumor-side lung was deflated, and the marked visceral pleura was grasped with non-traumatic forceps. Intraoperative CT imaging was reconstructed with O-arm, and the GGO lesion was comfirmed and resected under the guidance of positional relationship between the forceps and the tumor.

      Result:
      In all 3 patients, the tumor could be seen intraoperatively with computed tomography using the O-arm system, and resected properly. No complications were experienced in this study on the use of the O-arm system.

      Conclusion:
      The O-arm system could be a new strategy for the surgical treatment of non-palpable lung lesions.

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