Table 1 Selected patient and tumor characteristics
Characteristic | Parameter |
|---|---|
Patient number | 40 (80 parotids) |
Sex (M/F) | 30/10 |
Age (years) | |
Mean (range) | 65.5 (46–81) |
Primary tumor site | |
Tonsil | 26 (65%) |
Base of Tongue | 14 (35%) |
T stage | |
T1 | 4 (10%) |
T2 | 11 (27.5%) |
T3 | 7 (17.5%) |
T4 | 15 (37.5%) |
T4a | 3 (7.5%) |
N stage | |
N0 | 4 (10%) |
N1 | 4 (10%) |
N2a | 2 (5%) |
N2b | 15 (37.5%) |
N2c | 14 (35%) |
N3 | 1 (2.5%) |
Parotid Radiation Dose | |
Dmean (Gy) | 35.8 ± 8.9 |
V30(%) | 53.6 ± 19.9 |