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Preliminary results of nasopharyngeal carcinoma treated with intensity-modulated radiotherapy: a retrospective study of 364 patients

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Abstract

The aim of the study was to evaluate the survival and toxicity of 364 patients with nasopharyngeal carcinoma (NPC) treated by intensity-modulated radiotherapy (IMRT). Cisplatin-based chemotherapy was given to patients with local–regionally advanced disease. The median follow-up was 26 months (range 3–62 months). The 2-year local failure-free survival, regional failure-free survival (RFFS), distant metastasis-free survival (DMFS) and overall survival (OS) were 97.6, 96.8, 89.1 and 93.5 %, respectively. Overall disease failures (at any site) were found in 60 patients. Eighteen patients experienced locoregional failures: seven were local only, seven were regional only and four were both local and regional. Forty-two patients developed distant metastases. Of these, 30 patients had single organ metastasis and 12 had multiple organ metastases. The most common acute toxicities were dermatitis, mucositis and xerostomia. Grade 0–2 dermatitis, mucositis and xerostomia occurred in 337 patients (92.6 %), 204 patients (56.1 %) and 364 patients (100 %), respectively. Grade 3 dermatitis, mucositis and xerostomia were seen in 27 patients (7.4 %), 160 patients (44 %) and 0 patients. No Grade 4 acute toxicities were observed. N stage was an independent prognostic factor for RFFS, DMFS and OS. Our preliminary results showed that IMRT provides excellent local–regional control for NPC, with acceptable acute toxicities. Distant metastasis remains the most difficult treatment challenge. More effective systemic chemotherapy should be explored.

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Authors and Affiliations

  1. Department of Radiation Oncology, Fudan University Shanghai Cancer Center, 270 Dong’an Road, Shanghai, 200032, People’s Republic of China

    Fangfang Kong, Hongmei Ying, Shuang Huang, Chengrun Du, Junjun Zhou & Chaosu Hu

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  1. Fangfang Kong
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  2. Hongmei Ying
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  3. Shuang Huang
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Correspondence to Hongmei Ying.

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Kong, F., Ying, H., Huang, S. et al. Preliminary results of nasopharyngeal carcinoma treated with intensity-modulated radiotherapy: a retrospective study of 364 patients. Eur Arch Otorhinolaryngol 271, 3283–3290 (2014). https://doi.org/10.1007/s00405-014-2900-2

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  • DOI: https://doi.org/10.1007/s00405-014-2900-2

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