Table 3.
Use of non-recommended imaging services and biomarker tests starting one year post-diagnosis including percent of imaging services used for surveillance N=258
| Imaging service or biomarker test |
Percent of sample that received at least one (number) |
Total service count |
Percent surveillance out of total service count (number) |
|---|---|---|---|
| Abdominal CT | 19% (48) |
129 | 61% (79) |
| Abdominal MRI | 4% (11) |
21 | 39% (8) |
| Abdominal ultrasound | 15% (37) |
53 | 13% (7) |
| Bone scan | 17% (44) |
64 | 26% (17) |
| Breast MRI | 30% (77) |
156 | 82% (128) |
| Chest CT | 20% (52) |
139 | 57% (79) |
| Chest x-ray | 45% (114) |
443 | 28% (124) |
| PET scan | 12% (31) |
77 | 93% (72) |
| CA 15-3 | 5% (14) |
30 | - |
| CA 125 | 18% (46) |
91 | - |
| CA 27.29 | 77% (199) |
1661 | - |
| CEA | 77% (198) |
1518 | - |
Abbreviations: CT: Computed tomography MRI: Magnetic resonance imaging PET: Positron emission tomography CA: Cancer antigen CEA: Carcinoembryonic antigen