Profile of Men with Prostate Cancer Undergoing NaF PET by Indication
Characteristic | Initial staging (n = 1,024) | Suspected FOM (n = 1,997) | Suspected POM (n = 510) |
Age (y) | |||
Median | 73 | 75 | 76 |
25%–75% quartile | 69–78 | 70–81 | 70–81 |
Symptoms, signs, or test results (%) | |||
None | 61.9 | 15.3 | 13.5 |
Elevated or rising PSA only | 22.8 | 47.0 | 36.7 |
Pain only | 6.1 | 17.0 | 23.5 |
Evidence from other imaging | 5.0 | 6.1 | 5.5 |
Multiple signs/abnormal imaging | 3.4 | 11.7 | 18.0 |
Specialty of requesting provider (%) | |||
Urologist | 61.7 | 38.2 | 16.9 |
Radiation oncologist | 22.4 | 17.7 | 15.7 |
Medical oncologist | 14.5 | 37.5 | 61.0 |
Other | 1.4 | 6.6 | 6.4 |
Pre-PET summary stage (%) | |||
No evidence of disease or local only | 56.6 | 22.3 | 6.3 |
Regional or nodal | 4.3 | 5.3 | 0.8 |
Single metastasis | 3.8 | 11.1 | 13.7 |
Multiple metastases | 4.2 | 22.9 | 67.1 |
Unknown | 31.1 | 38.5 | 12.2 |
Conventional bone scan would be ordered if NaF PET were unavailable (%) | 91.9 | 87.0 | 87.3 |
Pre-PET plan (%) | |||
Imaging | 49.8 | 55.7 | 57.1 |
Body CT | 24.0 | 22.2 | 20.6 |
Body MR imaging | 9.0 | 16.0 | 16.9 |
18F-FDG PET | 13.2 | 12.0 | 16.1 |
Other imaging | 3.6 | 5.5 | 3.5 |
Treatment* | 40.7 | 25.9 | 29.2 |
Radiotherapy | 34.1 | 13.9 | 8.4 |
Hormonal therapy | 18.6 | 15.4 | 18.0 |
Surgery | 11.8 | 1.9 | 0.2 |
Chemotherapy | 4.9† | 8.5 | 16.1 |
Radiopharmaceutical therapy | 0.3† | 0.9 | 1.4 |
Immunotherapy | 1.6† | 5.0‡ | 4.1‡ |
Bisphosphonates | 3.2 | 7.0 | 11.6 |
Biopsy | 1.9 | 3.3 | 2.5 |
Watch/no additional therapy | 7.6 | 15.1 | 11.2 |