Localization of Lesions Suggestive for PCa on PSMA PET/CT Imaging, Stratified per PSA Level
| PSA | ||||
|---|---|---|---|---|
| PSMA PET/CT finding | <0.5 (n = 57) | 0.5 to <1.0 (n = 37) | 1.0 to <2.0 (n = 14) | ≥2.0 (n = 42) |
| Negative for cancer | 33 (57) | 12 (32) | 2 (14) | 2 (5) |
| Local recurrence of disease (miTr) | 4 (7) | 5 (14) | 0 (0) | 3 (7) |
| Locoregional lymph node metastases (miN1) | 14 (25) | 10 (27) | 4 (29) | 12 (29) |
| Distant lymph node metastases (miM1a) | 1 (2) | 1 (3) | 0 (0) | 3 (7) |
| Bone or visceral metastases (miM1b-M1c) | 1 (2) | 2 (5) | 0 (0) | 0 (0) |
| Multiple locations | 4 (7) | 7 (19) | 8 (57) | 22 (52) |
| Stratified per location | ||||
| Negative | 33 (58) | 12 (32) | 2 (14) | 2 (5) |
| Inside pelvis (miTr/miN1) | 19 (33) | 18 (49) | 6 (43) | 19 (45) |
| Outside pelvis (≥miM1) | 4 (7) | 3 (8) | 1 (7) | 5 (12) |
| Inside and outside pelvis | 1 (2) | 4 (11) | 5 (36) | 16 (38) |
| Disease outside prostatic fossa (≥miN1) | ||||
| No | 37 (65) | 17 (46) | 2 (14) | 5 (12) |
| Yes | 20 (35) | 20 (54) | 12 (86) | 37 (88) |
| Extent of metastatic disease | ||||
| Negative/local recurrence (miTr) | 37 (65) | 17 (46) | 2 (14) | 5 (12) |
| Unimetastastic disease | 15 (26) | 10 (27) | 2 (14) | 5 (12) |
| Oligometastatic disease (2–5 metastases) | 5 (9) | 8 (22) | 6 (43) | 12 (28) |
| Polymetastatic disease (>5 metastases) | 0 (0) | 2 (5) | 4 (29) | 20 (48) |
Data are number and percentage.