Table 2.
Summary of baseline postsurgical ceMRI and 11C MET-PET status and reduction of MET-avid disease at postchemoradiation
| MET-PET | 11C MET- PET (−) |
11C MET- PET (+) |
Total |
|---|---|---|---|
| Postoperative | |||
| Total scans | 6 | 12 | 18 |
| GTR by ceMRI | 5 | 2 | 7 (39%) |
| STR by ceMRI | 1 | 8 | 9 (50%) |
| Biopsy only by ceMRI | 0 | 2 | 2 (11%) |
| SUVmax (range) | N/A | 6.9 (3.2-8.6) | |
| SUVmean (Range) | N/A | 2.6 (1.9-4.5) | |
| SUV volume (range) | N/A | 3.0 (1.0-128) | |
| Postchemo radiation | |||
| Total scans | 7 | 7 | 14 |
| ΔSUVmax (range) | N/A | 40% (0%-100%) | N/A |
| ΔSUVmean (range) | N/A | 35% (0%-100%) | N/A |
| ΔSUVvolume (range) | N/A | 64% (0%-100%) | N/A |
| ΔSUVmax/brain reference (range) | N/A | 40% (0%-100%) | N/A |
| ΔSUVmean/brain reference (range) | N/A | 35% (0%-100%) | N/A |
Abbreviations: ceMRI = contrast-enhanced magnetic resonance imaging; GTR = gross total resection; MET = methionine; N/A = not available; PET = positron emission tomogrpahy; STR = subtotal resection; SUV = standardized uptake value.