Table 1 Delineation of characteristics of all consecutive patients with tumors in the head and neck area who were treated at the linear accelerator ETHOS™ at the Department of Radiation Therapy of University Hospital Essen in the time period from 01.12.2021 to 31.01.2023
From: Prospects for online adaptive radiation therapy (ART) for head and neck cancer
| Â | IGRT | ART for boost | ART for initial course |
|---|---|---|---|
Definitive RT/CTX | |||
Oropharyngeal | 12 | 1 | 0 |
Oral cavity | 13 | 1 | 0 |
Hypopharyngeal | 0 | 0 | 0 |
Larynx | 2 | 0 | 0 |
CUP syndrome | 0 | 0 | 0 |
Other | 1 | 0 | 0 |
Stage III/IVA/IVB | 25 | 0 | 0 |
P16 positive | 6 | 1 | 0 |
Postoperative RT/CTX | |||
Oropharyngeal | 10 | 4 | 2 |
Oral cavity | 7 | 1 | 1 |
Hypopharyngeal | 1 | 0 | 0 |
Larynx | 1 | 0 | 0 |
CUP syndrome | 0 | 0 | 0 |
Other | 2 | 0 | 0 |
Stage III/IVA/IVB | 19 | 3 | 3 |
P16 positive | 7 | 2 | 1 |