Jing-Ru Chen1, Yao-Hui Tseng2, Mong-Wei Lin3, Hsin-Ming Chen1, Yi-Chang Chen1, Mei-Chi Chen1, Yee-Fan Lee1, Jin-Shing Chen3, Yeun-Chung Chang1. 1. Department of Medical Imaging, National Taiwan University Hospital and National Taiwan University College of Medicine, Taichung, Taiwan. 2. Department of Medical Imaging, Cardinal Tien Hospital, Taipei, Taiwan. 3. Department of Surgery, National Taipei University Hospital and National Taiwan University College of Medicine, Taichung, Taiwan.
Abstract
BACKGROUND: For invisible or impalpable lung nodules, video-assisted thoracoscopic surgery (VATS) has some limitations; some preoperative localization has been developed to overcome this limitation. This study aimed to assess the safety and efficacy of preoperative computed tomography (CT)-guided localization with patent blue V dye. METHODS: In this retrospective study, we examined patients with solitary pulmonary nodule undergoing preoperative CT-guided patent blue V dye localization from 2013 to 2015. We analyzed patients' demographic data, nodular features, and procedures undergone. RESULTS: We enrolled 282 patients (282 lung nodules; mean age: 56.6±11.6 years, with female preponderance) in this study. The mean size of nodules was 0.9±0.5 cm, and mean time of localization was 24 min. The leading complications after localization were asymptomatic pneumothorax (48 patients, 17%) and localized pulmonary hemorrhage (51 patients, 18%). Other rare complications included subcutaneous emphysema and hematoma. We noted two cases with intraoperative poor or fail dye localization. Most patients underwent wedge resection (221 patients, 78.4%) and segmentectomy (36 patients, 12.8%), whereas 25 patients underwent lobectomy (8.9%) after the intraoperative frozen histopathological study confirmed malignancy. Furthermore, postoperative hospital stay was 4.8±2.0 days. Few patients experienced postoperative complications such as empyema (n=1), air leakage (n=3), and chylothorax (n=1). CONCLUSIONS: This study establishes that CT-guided dye localization is a safe and efficient method with rare severe complications and high success rate.
BACKGROUND: For invisible or impalpable lung nodules, video-assisted thoracoscopic surgery (VATS) has some limitations; some preoperative localization has been developed to overcome this limitation. This study aimed to assess the safety and efficacy of preoperative computed tomography (CT)-guided localization with patent blue V dye. METHODS: In this retrospective study, we examined patients with solitary pulmonary nodule undergoing preoperative CT-guided patent blue V dye localization from 2013 to 2015. We analyzed patients' demographic data, nodular features, and procedures undergone. RESULTS: We enrolled 282 patients (282 lung nodules; mean age: 56.6±11.6 years, with female preponderance) in this study. The mean size of nodules was 0.9±0.5 cm, and mean time of localization was 24 min. The leading complications after localization were asymptomatic pneumothorax (48 patients, 17%) and localized pulmonary hemorrhage (51 patients, 18%). Other rare complications included subcutaneous emphysema and hematoma. We noted two cases with intraoperative poor or fail dye localization. Most patients underwent wedge resection (221 patients, 78.4%) and segmentectomy (36 patients, 12.8%), whereas 25 patients underwent lobectomy (8.9%) after the intraoperative frozen histopathological study confirmed malignancy. Furthermore, postoperative hospital stay was 4.8±2.0 days. Few patients experienced postoperative complications such as empyema (n=1), air leakage (n=3), and chylothorax (n=1). CONCLUSIONS: This study establishes that CT-guided dye localization is a safe and efficient method with rare severe complications and high success rate.
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