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Prognostic Factors on Overall Survival of Newly Diagnosed Metastatic Nasopharyngeal Carcinoma

  • Li, Jia-Xin (Department of Radiation Oncology, Cancer Center, Sun Yat-Sen University, and State Key Laboratory of Oncology) ;
  • Huang, Shao-Min (Department of Radiation Oncology, Cancer Center, Sun Yat-Sen University, and State Key Laboratory of Oncology) ;
  • Wen, Bi-Xiu (Department of Radiation Oncology, The First Affiliated Hospital, Sun Yat-Sen University) ;
  • Lu, Tai-Xiang (Department of Radiation Oncology, Cancer Center, Sun Yat-Sen University, and State Key Laboratory of Oncology)
  • Published : 2014.04.01

Abstract

Background: To investigate factors associated with overall survival in patients with newly diagnosed metastatic nasopharyngeal carcinoma. Materials and Methods: Two hundred and two consecutive patients with pathologically confirmed nasopharyngeal carcinoma with distant metastasis at diagnosis seen between December 2007 and May 2011 were reviewed. Patient, tumor and treatment factors were analyzed for their significance regarding overall survival. Results: The median follow-up time was 22 months. At the time of this report, 116 patients had died. For 112 patients, cause of death was nasopharyngeal carcinoma. The 1, 2, 3, and 4-year overall survival rates were 75.6%, 50.2%, 39.2%, and 28.2%, respectively. Cox regression multivariate analysis showed that T-stage (p=0.045), N-stage (p=0.014), metastasis number (p<0.001) and radiotherapy for nasopharynx and neck (p<0.001) were significant factors for overall survival. Conclusions: Early T-stage and N-stage, solitary metastasis in a single organ were good prognostic factors for patients with newly diagnosed metastatic nasopharyngeal carcinoma. Radiotherapy should be strongly recommended in systemic treatment.

Keywords

Nasopharyngeal neoplasm;metastatic;prognosis;radiotherapy

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