Abstract
BackgroundPainful rib metastasis is common in non-small cell lung cancer (NSCLC). Pain is often partially or totally refractory to analgesic medications or the side effects of medication are unacceptable. We report the safety and efficacy of a new method: radiofrequency ablation (RFA) in treating painful NSCLC rib metastasis.MethodsRFA procedures were completed in 12 patients with painful rib metastasis. Patient age ranged from 66–83 years (mean 74.8 years, standard deviation (SD) = 5.3). There were four cases of squamous-carcinoma, seven adenocarcinomas, and one case of large cell carcinoma. Pain caused by neoplasm size, pain levels pre-procedure and post-procedure (as assessed using the visual analog scale, VAS), time length, and target temperature of RFA treatments were documented.ResultsRFA procedures were performed with 100% technical success. The mean pre-procedure and post-procedure pain, as measured by the VAS, was 7.9 (SD = 0.90) and 3.4 (SD = 0.99), respectively. No symptomatic complications occurred. Non-symptomatic complications included one case of pneumothorax and one case of hemoptysis.ConclusionRFA appears to be a safe, practical, and effective method for the palliative treatment of painful NSCLC chest wall metastasis.
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