Table 2.
Sites of clear cell RCC detected on conventional imaging and PSMA-targeted 18F-DCFPyL PET/CT
| Patient # | Number of metastatic sites on conventional imaginga | Sites of disease on conventional imaging | Number of metastatic sites on PET/CTa | Sites of disease on PET/CT (SUVmax) | Time between conventional imaging and PET/CT (days) | Continue to be oligometastatic? |
|---|---|---|---|---|---|---|
|
| ||||||
| 1 | 1 | Adrenal gland | 0 | N/A | 24 | Yes |
| 2 | 1 | Retroperitoneal lymph node | 6 | Subcarinal lymph node (3.5 and 3.3), pancreas (4.2 and 2.8), Paracolic gutter (2.6, 1.8) | 13 | No |
| 3 | 1 | Mediastinum, Primary kidney | 0 | Primary kidney (9.6) | 6 | Yes |
| 4 | 2 | Lung, primary kidney | 3 | Lung (38.5 and 1.3), bone (3.9), primary kidney (15.8) | 43 | Yes |
| 5 | 2 | Breast, brain | 2 | Breast (10.6), brain (2.5) | 25 | Yes |
| 6 | 2 | Bone | 4 | Bone (2.08, 2.47, 2.33, 2.67) | 43 | No |
| 7 | 2 | Pancreas, Retroperitoneal lymph node | 2 | Pancreas (2.9), retroperitoneal lymph node (3.6) | 25 | Yes |
| 8 | 1 | Adrenal gland | 1 | Adrenal gland (N/Ab) | 3 | Yes |
| 9 | 2 | Pancreas, contralateral kidney | 5 | Pancreas (4.6), contralateral kidney (5.2), lung (0.9), retroperitoneal lymph node (2.7), bone (1.8) | 61 | No |
| 10 | 1 | Retroperitoneal lymph node, primary kidney | 0 | Primary kidney (7.3) | 7 | Yes |
| 11 | 1 | Adrenal gland | 1 | Adrenal gland (2.7) | 74 | Yes |
| 12 | 1 | Renal fossa | 1 | Renal fossa (9.4) | 7 | Yes |
| 13 | 1 | Retroperitoneal lymph node | 1 | Retroperitoneal lymph node (8.2) | 17 | Yes |
| 14 | 3 | Retroperitoneal lymph node, adrenal gland | 3 | Retroperitoneal lymph node (2.2), adrenal gland (1.9, 2.2) | 1 | Yes |
Lesions visible on only one imaging modality indicated by italics
a
Primary tumors of the kidney are not included in the total number of metastatic sites
b
Lesion was too close to liver to accurately obtain SUVmax