Table 5.
Studies involving survival after radiofrequency ablation for solid renal tumors
| Ref. | Patients (tumors) n | Method | Mean tumor size (cm) | RCC | Complete first ablation | Recurrence free survival |
Overall survival (yr) |
Cancer specific survival (yr) |
Complications | |||
| 1 | 3 | 5 | 3 | 5 | ||||||||
| Tracy et al[69] | 208 (243) | P, L, O | 2.4 | 79% | 97% | 90% at 3 yr2 | 99%1 | 93%1 | 85% | 95% for RCC | 99% for RCC | NR |
| Levinson et al[70] | 31 (34) | P, L | 2.1 | 58% | 91% | 80% at 5 yr2 | NR | NR | 63% for all358% for RCC4 | NR | 100% for all 100% for RCC | 4 for perinephric hematoma ; 1 for liver burn; 1 for death from pneumonia |
| Zagoria et al[71] | 41 (48) | P | 2.6 | 100% | NR | 88% at 5 yr | NR | NR | 66% | NR | NR | 2 for pneumothorax no drainage; 2 for ureteral strictures |
| Stern et al[72] | 40 | P, L | 2.4 | 81% | 97% | 91% at 3 yr2 | NR | NR | NR | 100% for RCC | NR | 2 for minor; 3 for major |
1
Calculated based on Kaplan-Meier curve and life table;
2
In biopsy proven renal cell carcinoma (RCC);
3
80 mo overall survival;
4
57 mo overall survival. P, L, O: Percutaneous, laparoscopic, open; NR: Not reported.