Table 1 Patient characteristics
Tomotherapy (N = 19) | |
|---|---|
Variable | No. of patient (%) |
Age (years) | |
Median | 50 |
Range | 24-70 |
Gender | |
Male | 17 (89.5%) |
Female | 2 (10.5%) |
Smoking | |
Yes | 16 (84.2%) |
No | 3 (15.8%) |
Alcohol drinking | |
Yes | 10 (52.6%) |
No | 9 (47.4%) |
Betel nut chewing | |
Yes | 12 (61.2%) |
No | 7 (36.8%) |
^ECOG Performance Status | |
0 | 9 (47.4%) |
1 | 9 (47.4%) |
2 | 1 (5.2%) |
Subsite | |
Oral tongue | 9 (47.4%) |
Buccal mucosa | 6 (31.6%) |
Gingiva | 3 (15.8%) |
Retromolar trigone | 1 (5.3%) |
Pathology | |
Squamous cell carcinoma | 19 (100%) |
Resection-margin status | |
Positive | 1 (5.3%) |
Close | 9 (47.4%) |
Negative | 9 (47.4%) |
Extracapsular spread | |
Positive | 8 (42.1%) |
Negative | 11 (57.9%) |
Perineural involement | |
Positive | 14 (73.7%) |
Negative | 5 (26.3%) |
Lymphovascular Space Involvement | |
Positive | 13 (68.4%) |
Negative | 6 (31.6%) |
Lymph-node involvement ≥2 Positive | |
Positive | 11 (57.9%) |
Negative | 8 (42.1%) |
Pathology stage: | |
Tumor stage | |
Stage II | 1 (5.3%) |
Stage III | 5 (26.3%) |
Stage IVA | 13 (68.4%) |
Stage IVB | 0 |
Primary Tumor stage | |
T1 | 0 |
T2 | 6 (31.6%) |
T3 | 8 (42.1%) |
T4a | 5 (26.3%) |
T4b | 0 |
Regional Lymph Node stage | |
N0 | 5 (26.3%) |
N1 | 3 (15.8%) |
N2a | 0 |
N2b | 8 (42.1%) |
N2c | 3 (15.8%) |
N3 | 0 |