Table 4.
Results of 68Ga-PSMA PET/CT and mpMRI in the detection LNMs by the size of the node
| Histopathology positive (n = 51) | Histopathology negative (n = 570) | |
|---|---|---|
| 68Ga-PSMA PET/CT positive (n = 51) | 49 | 2 |
| Short-axis diameter < 5 mm | 0 | 0 |
| Short axis diameter 5–10 mm | 8 | 2 |
| Short-axis diameter > 10 mm | 41 | 0 |
| 68Ga-PSMA PET/CT negative (n = 570) | 2 | 568 |
| Short-axis diameter < 5 mm | 0 | 549 |
| Short axis diameter 5–10 mm | 1 | 19 |
| Short-axis diameter > 10 mm | 1 | 0 |
| mpMRI positive (n = 52) | 49 | 3 |
| Short-axis diameter < 5 mm | 0 | 0 |
| Short axis diameter 5–10 mm | 5 | 1 |
| Short-axis diameter > 10 mm | 44 | 2 |
| mpMRI negative (n = 569) | 2 | 567 |
| Short-axis diameter < 5 mm | 0 | 541 |
| Short axis diameter 5–10 mm | 2 | 26 |
| Short-axis diameter > 10 mm | 0 | 0 |
LN lymph node, LNM lymph node metastasis, PSMA prostate-specific membrane antigen, mpMRI multiparametric magnetic resonance image