## Abstract ## Background. To define the role of planned neck dissection after definitive radiotherapy for patients with nodeβpositive squamous cell carcinoma of the head and neck. ## Methods. Review of the pertinent literature. ## Results. Radiotherapy alone produces a relatively high likelih
Distant metastases after definitive radiotherapy for squamous cell carcinoma of the head and neck
β Scribed by Majid O. F. Al-Othman; Christopher G. Morris; Russell W. Hinerman; Robert J. Amdur; William M. Mendenhall
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 76 KB
- Volume
- 25
- Category
- Article
- ISSN
- 1043-3074
No coin nor oath required. For personal study only.
β¦ Synopsis
Purpose:
To analyze parameters that influence the risk of distant metastases after definitive radiotherapy.
Methods:
Between 1983 and 1997, 873 patients were treated with definitive radiotherapy and had follow-up for 2 years or more. univariate and multivariate analyses were performed to evaluate risk factors that might influence the risk of distant metastases.
Results:
The 5-year distant metastasis-free survival rate was 86%. univariate analyses revealed that the risk of distant metastases was significantly influenced by gender (p =.0092), primary site (p =.0023), t stage (p <.0001), n stage (p <.0001), overall stage (p <.0001), level of nodal metastases in the neck (p <.0001), histologic differentiation (p =.0096), control above the clavicles (p <.0001), and time to locoregional recurrence (p <.0001). multivariate analysis of freedom from distant metastases revealed that gender (p =.0390), t stage (p <.0001), n stage (p =.0060), nodal level (p <.0001), and locoregional control (p <.0001) significantly influenced this end point. multivariate analysis revealed that gender (p =.0049), t stage (p <.0001), n stage (p <.0001), and locoregional control (p <.0001) significantly influenced cause-specific survival.
Conclusions:
The risk of distant metastases after definitive radiotherapy is 14% at 5 years and is significantly influenced by gender, t stage, n stage, nodal level, and locoregional control.
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