A Comparison of PET and Body CT Results in the Detection of Active Melanoma in 115 Patients
| Site | PET | CT | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TN | TP | FN | FP | SE (%) | SP (%) | Acc (%) | TN | TP | FN | FP | SE (%) | SP (%) | Acc (%) | |||||||||||||
| Lung | 68 | 16 | 12 | 5 | 57 | 92 | 83 | 51 | 26 | 2 | 22 | 93 | 70 | 77 | ||||||||||||
| Liver | 84 | 11 | 2 | — | 85 | 100 | 98 | 67 | 10 | 3 | 17 | 77 | 80 | 79 | ||||||||||||
| Bone | 88 | 8 | — | 1 | 100 | 99 | 99 | 86 | 1 | 7 | 3 | 12 | 96 | 89 | ||||||||||||
| Lymph node | 60 | 30 | 4 | 3 | 88 | 95 | 93 | 51 | 19 | 15 | 12 | 56 | 81 | 72 | ||||||||||||
| Abdomen | 83 | 6 | 2 | 2 | 75 | 97 | 96 | 71 | 5 | 3 | 14 | 62 | 84 | 82 | ||||||||||||
TN = true negative; TP = true positive; FN = false negative; FP = false positive; SE = sensitivity; SP = specificity; Acc = accuracy.