Efficacy of 99mTc-Octreotide for Detection of Primary Lesion and Lymph Node Involvement Compared with 18F-FDG
| 18F-FDG DHC | 99mTc-Octreotide | |||||||
|---|---|---|---|---|---|---|---|---|
| Lesion location | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
| Primary lesion | 100 (31–31) | 46.1 (6–13) | 83.8 (31–38) | 100 (6–6) | 100 (31–31) | 75.7 (9–13) | 90.1 (31–35) | 100 (9–9) |
| Metastatic hilar or mediastinal LN | 100 (20–20) | 100 (11–11) | 100 (20–20) | 100 (11–11) | 35 (7–20) | 100 (7–7) | 100 (7–7) | 46 (11–24) |
LN = lymph node.
Data are expressed as percentage, with range in parentheses.