Diagnostic Performance of 124I-MIBG PET, NC CT, and Combined 124I-MIBG PET and NC CT in Patients
| Modality | Tumor present | Tumor absent | Diagnostic metrics | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Scan+ | Scan− | Scan+ | Scan− | Sen | Spe | PPV | NPV | Acc | |
| 124I-MIBG PET | 19 | 3 | 0 | 21 | 86% | 100% | 100% | 88% | 93% |
| 124I-MIBG PET (NC CT available) | 17 | 2 | 0 | 17 | 89% | 100% | 100% | 89% | 94% |
| HU > 10 | 18 | 7 | 1 | 10 | 95% | 59% | 72% | 91% | 78% |
| HU > 10; size > 10 mm | 18 | 4 | 1 | 13 | 95% | 76% | 82% | 93% | 86% |
| 124I-MIBG PET + NC CT | 21 | 0 | 4 | 13 | 100% | 76% | 83% | 100% | 89% |
Sen = sensitivity; Spe = specificity; Acc = accuracy.