Periprocedural pain of radiofrequency ablation for hepatocellular carcinoma.

Although radiofrequency ablation has been accepted as a safe and effective treatment for small hepatocellular carcinoma, there are few studies addressing periprocedural pain. Our study aims were to investigate periprocedural pain and evaluate its related factors. Ninety-nine patients diagnosed as having hepatocellular carcinoma and who underwent radiofrequency ablation were consecutively enrolled.