Image-guided thermal ablation using alternating electrical current
Expansion
Radiofrequency Ablation
Purpose
Treats hepatocellular carcinoma, metastases, renal tumours; requires less than 3 to 5 centimetres for complete necrosis
Clinical Context
Radiofrequency ablation: alternating current heats tissue greater than 60 degrees celsius causing coagulation necrosis. Hepatocellular carcinoma less than 3 centimetres: complete ablation greater than 90 percent.
Related Terms
- Microwave ablation
- Ablative therapy
Key Points
- “Radiofrequency ablation: complete ablation less than 3 centimetres; larger tumours risk incomplete ablation, recurrence”