Medline: 10705006

International Journal of Radiation Oncology, Biology, Physics 46(4): 859-864, 2000.

Improved long-term survival with combined modality therapy for pediatric nasopharynx cancer.

Wolden SL, Steinherz PG, Kraus DH, et al.

Abstract:

Purpose:
Nasopharynx cancer is a rare malignancy in childhood. This study aims to determine the role of chemotherapy, the optimal dose of radiation, and the long-term outcome for children with locoregional disease.

Methods:
AND MATERIALS: Thirty-three patients [median age 14 (range: 12-20) years] were treated for Stage I-IVB nasopharynx cancer. Thirteen patients (39%) received radiotherapy alone and 20 patients (61%) had chemotherapy and radiotherapy. The median radiation dose to the primary tumor was 66 Gy (range: 54-72 Gy). The median follow-up time for surviving patients was 8.4 years (range: 0.5-23.6 years). RESUL TS: The actuarial 10-year locoregional relapse-free survival, distant metastases-free survival, and overall survival rates were 77%, 68%, and 58% , respectively. Locoregional control was improved for patients treated with radiation doses > 60 Gy compared to those receiving < or = 60 Gy (93% vs. 60%, p < 0.03). The addition of chemotherapy had no significant effect on locoregional control but did reduce the development of distant metastases (16% vs. 57%, p = 0.01). Combined modality therapy improved 10-year disease-free survival (84% vs. 35%, p < 0.01) and survival (78% vs. 33%, p < 0.05) over radiation alone. The 10-year actuarial rate of severe complications was 24%.60 Gy are used for gross disease. The addition of chemotherapy decreases the risk of distant metastases and increases survival.


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