Table 2.
Parameters and related parameters of radiofrequency and microwave treatment of pancreatic cancer.
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2.Number of needles and choice of surgical approach
| Electrode type | Quantity | spacing (mm) |
Target energy (KJ) |
Power setting (W) |
Treatment length (mm) |
Treatment diameter (mm) |
Treatment volume (cm3) |
|
|---|---|---|---|---|---|---|---|---|
| T20 | 1 | 9 | 20 | 22 | 20 | 5 | ||
| T20 | 2 | 7 | 14 | 40 | 25 | 27 | 20 | 7 |
| T20 | 3 | 15 | 24 | 60 | 25 | 30 | 30 | 12 |
| T30 | 1 | 15 | 30 | 32 | 22 | 5.5 | ||
| T30 | 2 | 13 | 25 | 60 | 35 | 25 | 8 | |
| T30 | 3 | 15 | 15–35 | 90 | 35 | 20–30 | 14 | |
| T40 | 1 | 29 | 40 | 44 | 25 | 14 | ||
| T40 | 2 | 13.3 | 39 | 80 | 45 | 33 | 25 | 19 |
| T40 | 3 | 20 | 35–70 | 120 | 50 | 30–40 | 22 | |
| T40 | 3 | 25 | 70–130 | 120 | 55 | 40–50 | 47 | |
| T40 | 3 | 30 | 130–225 | 120 | 60 | 50–60 | 87 | |