Table 1 Lesion areas in tissue and MRI thermometry maps. Lesion areas in tissue sections (“real necrosis”) and MRI thermometry maps. Values in the table represent the mean of the measurements obtained by the two readers.
Temperature | 60 °C | 80 °C | 100 °C | 120 °C | |||||
|---|---|---|---|---|---|---|---|---|---|
MWA duration | Long × short diameter (cm × cm) | Area (cm²) | Long × short diameter (cm × cm) | Area (cm²) | Long × short diameter (cm × cm) | Area (cm²) | Long × short diameter (cm × cm) | Area (cm²) | |
Real necrosis area | 5:00 min | 2.9 × 1.1 | 2.6 | 4.4 × 1.4 | 5.0 | 4.2 × 1.7 | 5.9 | 5.6 × 2.0 | 9.0 |
7:30 min | 3.7 × 0.9 | 2.6 | 4.3 × 1.2 | 4.3 | 4.8 × 1.7 | 6.6 | 5.1 × 2.7 | 10.7 | |
10:00 min | 3.8 × 1.0 | 3.2 | 4.3 × 1.3 | 4.4 | 4.9 × 2.0 | 7.8 | 5.8 × 2.8 | 12.9 | |
15:00 min | 3.6 × 1.5 | 4.2 | 4.2 × 2.3 | 7.4 | 4.8 × 2.2 | 8.6 | 5.7 × 2.6 | 11.8 | |
Temperature map area | 5:00 min | 3.5 × 1.5 | 4.2 | 4.5 × 2.1 | 7.4 | 4.5 × 2.2 | 7.7 | 5.7 × 2.8 | 12.7 |
7:30 min | 3.5 × 1.1 | 3.1 | 4.5 × 1.8 | 6.4 | 5.1 × 2.2 | 9.0 | 5.9 × 3.3 | 15.4 | |
10:00 min | 3.6 × 1.5 | 4.4 | 4.2 × 1.8 | 5.9 | 5.6 × 2.6 | 11.5 | 6.2 × 3.1 | 15.1 | |
15:00 min | 3.7 × 1.7 | 5.0 | 4.4 × 2.7 | 9.5 | 5.5 × 2.9 | 12.9 | 6.2 × 3.7 | 18.0 | |
Thermal dose map area | 5:00 min | 3.4 × 1.3 | 3.6 | 4.4 × 1.6 | 5.6 | 4.5 × 2.2 | 7.9 | 5.9 × 2.9 | 13.2 |
7:30 min | 3.8 × 1.2 | 3.6 | 4.5 × 1.6 | 5.9 | 5.5 × 2.5 | 10.7 | 5.7 × 3.4 | 15.1 | |
10:00 min | 4.0 × 1.4 | 4.5 | 4.5 × 1.9 | 6.8 | 5.4 × 2.5 | 10.7 | 6.3 × 3.1 | 15.5 | |
15:00 min | 3.6 × 1.7 | 4.9 | 4.9 × 2.5 | 9.6 | 5.5 × 3.0 | 13.1 | 6.4 × 3.7 | 18.8 | |
