Abstract
The prevailing use of intensity-modulated radiation therapy (IMRT) and the concurrent chemoradiotherapy strategy have significantly improved treatment outcomes of nonmetastatic nasopharyngeal cancer (NPC). However, approximately 10–15% of patients will fail locoregionally after treatment despite high-dose radiation or combined chemoradiotherapy. Salvage treatment for locally recurrent NPC (LR-NPC) after prior course(s) of radiation is challenging. Re-irradiation therapy with photon-based intensity-modulated radiation therapy (IMRT) technology is the most utilized modality for salvaging LR-NPC; however, it is associated with substantial and often fatal adverse effects. The use of particle beam radiation therapy (PBRT) such as proton therapy or carbon-ion radiotherapy has prevailed in the past decade for head and neck cancer patients who failed previous course(s) of radiation. However, available evidence of salvage PBRT for LR-NPC is limited. This chapter provides updated clinical evidence of salvage radiation therapy using IMRT and PBRT technologies and provides a practical guideline for clinicians who encounter LR-NPC cases.
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Kong, L., Lu, J.J. (2021). Salvage Radiation Therapy for Locally Recurrent Nasopharyngeal Cancer. In: Ma, J., Lee, N.Y., Lu, J.J. (eds) Nasopharyngeal Cancer. Practical Guides in Radiation Oncology. Springer, Cham. https://doi.org/10.1007/978-3-030-65037-7_8
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DOI: https://doi.org/10.1007/978-3-030-65037-7_8
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