Table 1 Calculated volume and measured volume for the different glioblastoma compartments (114 MRIs).
From: Ellipsoid calculations versus manual tumor delineations for glioblastoma tumor volume evaluation
Calculated volume (CV) (diameters 3D) (cm3) | Measured volume (MV) (delineation) (cm3) | Difference CV − MV (cm3) | ((CV − MV)/CV)*100 (%) | CV (diameters 3D) (cm3) | MV (delineation) (cm3) | Difference CV − MV (cm3) | ((CV − MV)/CV)*100 (%) | ||
---|---|---|---|---|---|---|---|---|---|
CE total | CE before CRT | ||||||||
Mean Median Range | 41.6 27.9 0.6 to 167.6 | 15.5 11.2 0.3 to 66.0 | 26.1 17.9 −0.2 to 117.3 | 174.9 162.1 −26.1 to 398.5 | Mean Median Range | 37.1 26.7 2.4 to 167.6 | 12.6 9.2 1.2 to 66.0 | 24.9 18.7 0.8 to 117.3 | 196.6 189.3 6.9 to 398.5 |
CE at suspicion of progression | |||||||||
Mean Median Range | 46.1 31.0 0.6 to 159.6 | 18.3 11.5 0.3 to 60.7 | 27.8 17.5 −0.2 to 115.3 | 153.2 145.3 −26.10 to 392.1 | |||||
NEC total | NEC before CRT | ||||||||
Mean Median Range | 17.5 6.3 0.0 to 128.1 | 7.3 2.4 0.0 to 42.4 | 10.1 3.0 −0.1 to 95.9 | 150.3 111.3 −10.7 to 789.3 | Mean Median Range | 15.4 3.6 0.0 to 128.1 | 5.9 1.5 0.0 to 39.8 | 9.6 1.7 −0.1 to 95.9 | 165.4 125.6 −10.7 to 789.3 |
NEC at suspicion of progression | |||||||||
Mean Median Range | 19.5 9.9 0.0 to 106.6 | 8.8 3.6 0.0 to 42.4 | 10.7 5.3 0.0 to 70.3 | 139.9 100.8 20.8 to 615.8 | |||||
GTV total | GTV before CRT | ||||||||
Mean Median Range | 58.7 52.7 1.2 to 145.8 | 47.6 39.8 1.0 to 128.2 | 11.1 8.8 −28.9 to 67.0 | 26.1 22.1 −68.8 to 207.2 | Mean Median Range | 54.7 47.0 5.1 to 145.0 | 42.8 36.4 4.1 to 107.9 | 11.9 9.0 −12.7 to 53.6 | 30.5 26.4 −24.1 to 117.6 |
GTV at suspicion of progression | |||||||||
Mean Median Range | 62.2 55.6 1.2 to 145.8 | 52.4 53.2 1.0 to 128.2 | 10.3 6.00 −28.9 to 67.0 | 21.7 15.0 −68.8 to 207.2 | |||||
FLAIR total | FLAIR before CRT | ||||||||
Mean Median Range | 179.2 142.0 13.7 to 722.9 | 132.3 110.8 13.6 to 520.2 | 46.9 32.4 −53.3 to 222.5 | 38.2 34.2 −34.5 to 172.2 | Mean Median Range | 129.7 94.5 13.7 to 505.3 | 95.9 73.4 13.6 to 339.3 | 33.8 23.9 −50.4 to 189.1 | 38.5 32.1 −34.5 to 172.1 |
FLAIR at suspicion of progression | |||||||||
Mean Median Range | 228.7 200.1 30.7 to 722.9 | 168.8 146.3 21.3 to 520.2 | 59.9 50.6 −53.3 to 222.5 | 37.9 39.0 −29.5 to 113.3 |