Table 2 Classification of [68Ga]Ga-PSMA-11 PET/CT-indeterminate lesions and new positive findings on [89Zr]Zr-PSMA-617 PET/CT
Lesion type | Number of indeterminate lesions on [68Ga]Ga-PSMA-11 PET/CT | Classification of [68Ga]Ga-PSMA-11 PET/CT-indeterminate lesions on [89Zr]Zr-PSMA-617 PET/CT | New positive findings on [89Zr]Zr-PSMA-617 PET/CT | |
|---|---|---|---|---|
Positive, n (% of category) | Negative, n (% of category) | |||
Any | 20 | 6/20 (30%) | 14/20 (70%) | 11 |
Local | 4 | 3/4 (75%) | 1/4 (25%) | 3 |
Lymph node | 8 | 1/8 (13%) | 7/8 (88%) | 8 |
Bone | 8 | 2/8 (25%) | 6/8 (75%) | 0 |