Indocyanine green fluorescence-guided thoracoscopic pulmonary resection for intralobar pulmonary sequestration: A case report

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Abstract

Background: The potential complications of pulmonary sequestration are serious and may include recurrent pulmonary infection, hemoptysis, and tumorigenesis. Therefore, the gold standard of treatment has been surgery. Although an adequate boundary between the nonfunctional lung and normal lung is required for the resection of pulmonary sequestration, the boundaries have been conventionally identified intraoperatively with inflation/deflation of the target segment by clamping and unclamping the relevant bronchus. The technique of visualizing the demarcation line based on near-infrared fluorescence imaging with indocyanine green was recently developed. Case presentation: A 42-year-old Japanese woman with right Pryce III intralobar sequestration was admitted to our hospital. We planned video-Assisted thoracoscopic wedge resection of the right sequestration using near-infrared fluorescence imaging with indocyanine green because of the small volume of the nonfunctional region. The aberrant artery was recognized in the pulmonary ligament; the artery was cut off after ligation. Indocyanine green at 5 mg/body was rapidly injected into the peripheral vein, and the boundary of the sequestration was clearly identified under near-infrared fluorescence imaging. Conclusion: Near-infrared fluorescence imaging with indocyanine green is safe and useful for the identification of the boundary of a pulmonary sequestration.

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Motono, N., Iwai, S., Funasaki, A., Sekimura, A., Usuda, K., & Uramoto, H. (2019). Indocyanine green fluorescence-guided thoracoscopic pulmonary resection for intralobar pulmonary sequestration: A case report. Journal of Medical Case Reports, 13(1). https://doi.org/10.1186/s13256-019-2128-2

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