Table 1 Clinical information for the 8 head and neck cancer patients included in this study
From: Validation of Varian’s SmartAdapt® deformable image registration algorithm for clinical application
P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | |
|---|---|---|---|---|---|---|---|---|
Tumour Site | L Tonsil | L Tonsil | R Tonsil | Nasopharynx | L Tongue | R Tonsil | Para-nasal sinus | Tongue |
No. fractions | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
Surgery | Yes | No | No | No | Yes | No | Yes | No |
Staging | T2N1M0 | T3N2bM0 | T1N0M0 | T1N0M0 | T2N2bM0 | T2N2M0 | T4N2M0 | T4N3aM0 |
GTV [ cm 3 ] | 14.1a | 88.8 | 26.2 | 82.8 | - | 47.5 | - | 201.1 |
CTV 50–54 [cm 3 ] | 201.8 | 446.1 | 144.6 | 567.5 | 299.4 | 314.1 | - | 179.1b |
CTV 60 [cm 3 ] | - | - | - | - | 214.3 | - | 583.4 | 331.7 |
CTV 66 [cm 3 ] | 68.5 | 186.8 | 38.8 | 153.2 | 57.7 | 108.1 | - | - |
Additional imaging | PET | PET | - | MRI | MRI | - | MRI | - |
Number of CTs | 2 | 3 | 2 | 2 | 2 | 2 | 3 | 2 |
Days after CT 1 | 42 | 26/42 | 36 | 30 | 25 | 35 | 42/69 | 31 |
Days after RT start | 25 | 8/24 | 21 | 16 | 7 | -c | -c/20 | 20 |
Weight change between CTs [kg] | −7.1 | −10.7/+0.8 | −1.3 | −3.8 | −2.6 | 0.0 | +1.6/- 0.8 | −6.8 |
Reason for re- CT | Tumour shrinkage | Patient position | Swelling | Patient position | Swelling | Patient position | Patient position | Tissue Loss |
New Mask | Yes | Yes/No | Yes | No | No | No | No/No | No |
New plan | Yes | Yes/Yes | Yes | No | No | No | NA/No | No |