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Comparative survival analysis in patients with pulmonary metastases from nasopharyngeal carcinoma treated with radiofrequency ablation.
MedLine Citation:
PMID:  21700408     Owner:  NLM     Status:  Publisher    
PURPOSE: The aim of this retrospective study was to evaluate technical efficacy and the impact of CT-guided pulmonary radiofrequency ablation (RFA) on survival in patients with pulmonary metastases from nasopharyngeal carcinoma (NPC). MATERIALS AND METHODS: Between 2000 and 2009, 480 patients were pathologically or clinically confirmed pulmonary metastases from NPC. And ten included patients of them had a total of 23 pulmonary metastases treated with percutaneous RFA under the real-time CT fluoroscopy. Safety, local tumor progression, and survival were evaluated in our institutions. Matched-pair survival was compared using Kaplan-Meier analysis. RESULTS: A total of 25 ablations were performed to 23 pulmonary metastases in 13 RFA sessions. Pneumothorax requiring chest tube placement developed in 3 of 13 (23.1%) RFA sessions. The median metastatic overall survival was 36.1 months for all the 480 NPC patients with pulmonary metastases. Furthermore, matched-pair analysis demonstrated patients with RFA treatment had a greater metastatic overall survival than patients without RFA treatment (77.1 months vs 32.4 months, log-rank test, p=0.009). There were no statistically significant differences in the survival probability of patients with RFA treatment (n=10) and surgical resection of pulmonary metastases (n=27) (log-rank test, p=0.75). CONCLUSION: CT-guided pulmonary RFA is safe and offers a treatment alternative for local tumor control, providing promising survival in selected patients with pulmonary metastases from NPC.
Chang-Chuan Pan; Pei-Hong Wu; Jing-Rui Yu; Wang Li; Zi-Lin Huang; Jian-Peng Wang; Ming Zhao
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-21
Journal Detail:
Title:  European journal of radiology     Volume:  -     ISSN:  1872-7727     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-6-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8106411     Medline TA:  Eur J Radiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
Medical Oncology, Sichuan Cancer Hospital & Institute, The Second People's Hospital of Sichuan Province, China; Department of Medical Imaging & Interventional Radiology, State Key Laboratory of Oncology in South China, Sun Yat-Sen University Cancer Center, 651 Dongfeng Road East, Guangzhou 510060, PR China.
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