Table 2 PET/CT results after application of IMPeTUs
IMPeTUs criteria | Baseline PET/CT (n = 47) Patients (%)§ | Follow-up PET/CT (n = 34) Patients (%)§ |  |
|---|---|---|---|
Bone marrow uptake, DS | Â | Â | Â |
1 | 0 | 0 | Â |
2 | 7 (15%) | 13 (38%) | Â |
3 | 19 (40%) | 19 (56%) | Â |
4 | 18 (38%) | 2 (6%) | Â |
5 | 3 (6%) | 0 | Â |
No. of focal, hypermetabolic lesions | Â | Â | Â |
F1 (none) | 11 (23%) | 21 (62%) | Â |
F2 (1–3) | 15 (32%) | 8 (24%) |  |
F3 (4–10) | 9 (19%) | 3 (9%) |  |
F4 (> 10) | 12 (26%) | 2 (6%) |  |
Site of focal lesions* | Â | Â | Â |
Skull | 2 (4%) | 1 (3%) | Â |
Spine | 23 (49%) | 3 (9%) | Â |
Other | 33 (70%) | 12 (35%) | Â |
Uptake of the hottest focal lesion, DS | Â | Approach 1 | Approach 2 |
1 | 0 | 0 | 2 (8%) |
2 | 0 | 1 (8%) | 9 (35%) |
3 | 1 (3%) | 0 | 5 (19%) |
4 | 14 (39%) | 7 (54%) | 7 (27%) |
5 | 21 (58%) | 5 (39%) | 3 (12%) |
No. of lytic lesions | Â | Â | Â |
L1 (none) | 8 (17%) | 5 (15%) | Â |
L2 (1–3) | 12 (26%) | 9 (27%) |  |
L3 (4–10) | 7 (15%) | 5 (15%) |  |
L4 (> 10) | 20 (43%) | 15 (44%) |  |
Presence of at least one fracture | Â | Â | Â |
No | 25 (53%) | 10 (29%) | Â |
Yes | 22 (47%) | 24 (71%) | Â |
Presence of PMD* | Â | Â | Â |
No | 24 (51%) | 34 (100%) | Â |
Yes | 23 (49%) | 0 | Â |
Presence of EMD* | Â | Â | Â |
No | 43 (92%) | 30 (88%) | Â |
Yes | 4 (9%) | 4 (12%) | Â |