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T. Sato



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    MINI 19 - Surgical Topics in Localized NSCLC (ID 138)

    • Event: WCLC 2015
    • Type: Mini Oral
    • Track: Treatment of Localized Disease - NSCLC
    • Presentations: 1
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      MINI19.07 - ICG Fluorescence Localization of Small Sized Pulmonary Nodules for VATS (ID 70)

      17:20 - 17:25  |  Author(s): T. Sato

      • Abstract
      • Presentation
      • Slides

      Background:
      Video-assisted thoracoscopic wedge resection of multiple small, non-visible, and nonpalpable pulmonary nodules is a clinical challenge. We propose an indocyanine green (ICG) injection and intraoperative fluorescence detection with a near-infrared (NIR) fluorescence for localization of small sized pulmonary nodules.

      Methods:
      Fluorescence properties of ICG topically injected into the lung parenchyma were determined using a resected porcine lung and previously reported by the authors. In clinical study, 15 cases of VATS pulmonary resection for small sized pulmonary nodules were enrolled in the study. The ICG mixed with iopamidol was injected into the pulmonary nodules by CT-guided percutaneous injection. ICG fluorescence was visualized by a near-infrared (NIR) thoracoscope, then the target nodule was excised by VATS procedure.

      Results:
      Topically injected ICG / iopamidol mixture spot remained at the injected point of the lung parenchyma for more than 6 hours in each case, and each ICG fluorescence was identified at the pulmonary nodule with the NIR thoracoscope. Each target nodule was successfully removed with negative surgical margin.

      Conclusion:
      CT guided ICG injection and intraoperative NIR thoracoscopic detection is a feasible method to localize small sized pulmonary nodules.

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