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Comparison of eutopic and ectopic parathyroid glands among the four techniques
| US | Dual-phase 99mTc-MIBI scintigraphy | Early SPECT/CT | Delayed SPECT/CT | ||
|---|---|---|---|---|---|
| Eutopic parathyroid glands | TP | 164 | 104 | 187 | 153 |
| FN | 45 | 105 | 22 | 56 | |
| Sensitivity (%) | 78.50% | 49.80% | 89.50% | 73.20% | |
| Ectopic parathyroid glands | TP | 11 | 10 | 18 | 15 |
| FN | 9 | 10 | 2 | 5 | |
| Sensitivity (%) | 55.00% | 50.00% | 90.00% | 75.00% |
TP True positive; FN False negative
