Table 3.
Characteristics of radiofrequency ablation treated metastases
| All treated metastases | Treated metastases with LTP | Treated metastases without LTP | |
|---|---|---|---|
| Lesions | 127 (100) | 32 (25) | 95 (75) |
| Peripheral liver metastases | 73 (57) | 21 (66) | 52 (55) |
| Lesion size (mm)a | 23±12 (3–71) | 32±14 (11–71) | 20±10 (3–50) |
| Lesion follow-up (months) | 23.7±10.8 (7.0–54.3) | 23.7±10.4 (10.8–54.3) | 23.7±10.9 (7.0–52.0) |
| Local recurrence time (months) | - | 11.8±9.9 (1.9–50.4) | - |
| Intraoperative ablation | 34 (27) | 4 (13) | 30 (32) |
Data are presented as n (%) or mean±standard deviation (range).
LTP, local tumor progression.
a
Size as determined at the time of the radiofrequency ablation procedure.