TABLE 2.
Number and Percentage of Lesions Attributed to Benign Origin (Pitfall Lesions) on 18F-PSMA-1007 PET and 68Ga-PSMA-11 PET According to Their Origin
| Parameter |
68Ga-PSMA-11 PET |
18F-PSMA-1007 PET |
||
| Patients | Lesions | Patients | Lesions | |
| Pitfall lesions | 34/102 (33.3%) | 52 | 88/102 (86.3%) | 245 |
| Unspecific LN total | 14/102 (13.7%) | 22/52 (42.3%) | 40/102 (39.2) | 77/245 (31.4%) |
| Inguinal | 2 | 18 | ||
| Mediastinal | 9 | 24 | ||
| Hilar | 8 | 17 | ||
| Axillary | 3 | 18 | ||
| Ganglia total | 12/102 (11.8%) | 15/52 (28.8%) | 68/102 (66.7%) | 106/245 (43.3%) |
| Cervical | 8 | 33 | ||
| Celiac | 7 | 64 | ||
| Sacral | 0 | 9 | ||
| Bone total | 15/102 (14.7%) | 14/52 (26.9%) | 49/102 (48.0%) | 58/245 (23.7%) |
| Fracture | 2 | 3 | ||
| Degeneration | 3 | 13 | ||
| Unclear | 3 | 6 | ||
| Unspecific bone uptake | 6 | 36 | ||
| Others total | 1/102 (1.0%) | 1/52 (1.9%) | 4/102 (3.9%) | 4/245 (1.6%) |
| Unspecific uptake soft-tissue lesion* | 1 | 2 | ||
| Unclear† | — | 2 | ||
*
Unspecific uptake subcutaneously (n = 2) and in adenoma of adrenal gland (n = 1).
†
Unclear uptake in mamma (n = 1) and kidney (n = 1).