Purpose: To compare the relative clinical efficacy of preoperative computed tomography (CT)-guided methylene-blue (MB) and coil localization for lung nodules (LNs).
Material And Methods: Between January 2013 and December 2018, a total of 89 patients with LNs underwent CT-guided MB or coil localization and subsequent video-assisted thoracoscopic surgery (VATS)-guided wedge resection in our hospital. We compared the technical success of localization and wedge resection between two groups.
Results: In MB group, 47 LNs in 39 patients were localized, with successful localization and wedge resection rates of 97.9% and 97.9%, respectively. In the coil group, 64 LNs in 50 patients were localized, with successful localization and wedge resection rates of 96.9% and 96.9%, respectively. There were no significant differences in technical success rates of localization and wedge resection between the two groups ( = 1.000 and 1.000). The coil group sustained a longer duration between localization and VATS relative to the MB group (14.4 h vs. 1.6 h, = .001).
Conclusion: Both MB and coil localization were safe and effective techniques to establish a high success rate of VATS-guided wedge resection for LNs. Relative to MB localization, coil localization might be compatible with a longer delay between localization and VATS.
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