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. 2005 Mar 15;92(6):1046–1050. doi: 10.1038/sj.bjc.6602464

Table 3. Improvement in confidence of each observer in assigning 18F-FDG-avid lesions to an anatomical territory when using 18F-FDG PET/CT, as compared with 18F-FDG PET alone.

  18F-FDG PET alone
18F-FDG PET/CT
 
Lesion detectability Anatomical localisation Lesion detectabilitya Anatomical localisationa (%) Improve- ment
Observer 1 21 12 23 23 57
Observer 2 21 9 23 23 43
Observer 3 21 11 23 23 52
    51%   100% 51

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

a

Includes two lesions identified on enhanced CT, which did not show 18F-FDG uptake and were subsequently confirmed to be benign enlarged cervical nodes on histology.