Abstract
Objective The results and side effects of nasopharyngeal carcinoma treated by combined external radiotherapy and Californium -252 neutron after loading intracavitary radiotherapy. Methods From November 2005 to March 2007, 30 nasopharyngeal carcinoma patients with staged T1 and T2 by 1992 Fuzhou staging system, were treated by external beam radiotherapy combined with Californium-252 neutron after loading intraeavitary radiotherapy. Results All patients were followed up for 2 years. 2 cases recurred in the nasopharynx. 4 cases developed distant metastases. 2 cases developed trismus. No perforations in hand and soft palate occurred. Conclusion External beam radiotherapy combined with Californian-252 neutron after loading intracavitary radiotherapy for nasopharyngeal carcinoma is indicated for boosting the dose to the nasopharyngeal cavity; reducing the dose for external irradiation. It can improve local control rate of nasopharyngeal carcinoma and reduce occur rate for the trismus. Key words: Nasopharyngeal neoplasms; Radiotherapy planning; computer-assisted; Californium
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