Clinical Study
Replanning Criteria and Timing Definition for Parotid Protection-Based Adaptive Radiation Therapy in Nasopharyngeal Carcinoma
Table 1
Patient characteristics.
| Characteristics | Number of patients | Percent (%) |
| Gender | | | Male | 40 | 80 | Female | 10 | 20 | Age | 11–80 years (median, 44 years) | UICC stage (2002) | | | T | | | 1 | 13 | 26 | 2 | 16 | 32 | 3 | 13 | 26 | 4 | 8 | 16 | N | | | 0 | 18 | 36 | 1 | 15 | 30 | 2 | 15 | 30 | 3 | 2 | 4 | M | | | 0 | 50 | 100 | Treatment method | | | RT | 20 | 40 | CCRT | 13 | 26 | ICT + CCRT | 17 | 34 | Primary tumor volume | 37.54 25.23 (4.36–118.00) cm3 | Volume of metastatic nodes | 13.15 23.18 (0–133.35) cm3 | Weight loss rate at the end of RT | 10.80 4.12% |
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RT: radiation therapy; CCRT: concurrent chemoradiotherapy; ICT: induced chemotherapy.
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