Table 2 Volumetric staging in patients treated with primary radiotherapy (n = 63)
From: Dysphagia in head and neck cancer patients following intensity modulated radiotherapy (IMRT)
| Â | total gross tumor volume (tGTV) | |||
|---|---|---|---|---|
Primary site | mean (range) | 1-15cc | 16-70cc | >70cc |
Oropharynx | Â | Â | Â | Â |
base of tongue | 34cc (9-127cc) | 2 | 13 | 3 |
tonsil/lateral mesopharynx | 51cc (4-171cc) | 1 | 11 | 7 |
Larynx | Â | Â | Â | Â |
Glottis | 12cc (1-29cc) | 1 | 1 | 0 |
Supraglottis | 21cc (6-54cc) | 2 | 5 | 0 |
Hypopharynx | 46cc (5-173cc) | 3 | 11 | 3 |
Total | 44cc (1-173cc) | 9 (14%) | 41 (65%) | 13 (21%) |