Patient Characteristics (n = 115)
| Variable | Data |
|---|---|
| Sex | |
| Male | 71 (62%) |
| Female | 44 (38%) |
| Median age at 68Ga-FAPI scan (y) | 63 (17) |
| Tumor entities | |
| Prostate | 22 (19%) |
| Head and neck | 18 (16%) |
| Breast | 16 (14%) |
| Colorectal | 15 (13%) |
| Bladder | 12 (10%) |
| Myeloma | 12 (10%) |
| Kidney | 10 (9%) |
| Lymphoma | 10 (9%) |
| Regional detection with 68Ga-FAPI scan* | |
| No evidence of disease | 15 (13%) |
| Primary or local disease detected | 42 (37%) |
| Lymph node metastases detected | 28 (24%) |
| Visceral metastases detected | 38 (33%) |
| Bone metastases detected | 24 (21%) |
| Scanning purposes | |
| Staging at initial diagnosis | 34 (30%) |
| Restaging after therapy | 81 (70%) |
| Prior therapy received* | |
| None | 35 (30%) |
| Surgery | 65 (57%) |
| Chemotherapy | 53 (46%) |
| Radiation therapy | 31 (27%) |
| Immune therapy | 20 (17%) |
| Hormone therapy | 16 (14%) |
| Radionuclide therapy | 3 (3%) |
| Median uptake time (min) | |
| 68Ga-FAPI | 15 (25) |
| 18F-FDG | 65 (21) |
| Median time between 68Ga-FAPI and 18F-FDG (d) | 0 (2) |
↵* Different combinations are possible; hence, values do not add to 100%.
Qualitative data are number and percentage; continuous data are median and interquartile range.