Table 2 Interobserver variability in assigning 18F-FDG-avid lesions to an anatomical territory using 18F-FDG PET alone and 18F-FDG PET/CT

From: Impact of combined 18F-FDG PET/CT in head and neck tumours

 

Confidence score for anatomical localisation of lesions

No. of FDG-avid lesions with each score/total no. of FDG-avid lesions

18 F-FDG PET alone

18 F-FDG PET/CT

Observer 1

1

6/21

2/21

 

2

5/21

1/21

 

3

10/21

18/21

Observer 2

1

2/21

0/21

 

2

4/21

4/21

 

3

15/21

17/21

Observer 3

1

1/21

0/21

 

2

3/21

2/21

 

3

17/21

19/21

  1. 18F-FDG PET=2-[fluorine-18]fluoro-2-deoxy-D-glucose; CT=computed tomography.