Table 2.
Previous treatments before salvage operation according to primary sites
| Previous treatment | Tongue | FOM | Buccal | Gingiva | Hard palate | Tonsil | Soft palate | BOT | Oropharyngeal wall | RMT | Nasopharynx | Hypopharynx | Larynx | Maxilla | Othersa) | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RTx | 1 | 2 | 1 | 1 | 5 | |||||||||||
| CCRT | 1 | 6 | 1 | 1 | 1 | 2 | 4 | 2 | 2 | 20 | ||||||
| Operation without ND | 4 | 1b) | 1 | 1 | 3 | 10 (1) | ||||||||||
| Operation without ND+RTx | 1 | 1 | 1 | 2 | 9 | 1 | 15 | |||||||||
| Operation without ND+CCRT | 3b) | 2 | 5 (1) | |||||||||||||
| Operation with ND | 3 | 1 | 1 | 1 | 2 | 1 | 9 | |||||||||
| Operation with ND+CTx | 1 | 1 | 2 | |||||||||||||
| Operation with ND+RTx | 2 | 1 | 1 | 1 | 4 | 2 | 11 | |||||||||
| Operation with ND+CCRT | 1 | 1 | 1 | 3b) | 1 | 7 (1) | ||||||||||
| Operation with ND&FF | 6 | 2b) | 1 | 2 | 11 (1) | |||||||||||
| Operation with ND&FF+CTx | 2b) | 1 | 3 (1) | |||||||||||||
| Operation with ND&FF+RTx | 6 | 2b) | 1 | 2 | 1 | 1 | 1 | 14 (1) | ||||||||
| Operation with ND&FF+CCRT | 5 | 1 | 1 | 2 | 1 | 1 | 1 | 12 | ||||||||
| Total | 30 | 5 | 4 | 5 | 1 | 13 | 3 | 3 | 2 | 2 | 6 | 10 | 15 | 18 | 7 | 124 (6) |
FOM, floor of mouth; BOT, base of tongue; RMT, retromolar trigone; RTx, radiotherapy; CCRT, concurrent chemo-radiotherapy; ND, neck dissection; CTx, chemotherapy; FF, free flap.
a)
Submandibular gland (n=4), parotid gland (n=1), thyroid gland (n=1), upper lip (n=1);
b)
Six cases of total flap failure.