Objective To explore the dose-effect relation and the clinically reliable dosimetric data for the extracorporeal ablation of hepatic carcinoma with high-intensity focused ultrasound (HIFU).

• 目的探讨高强度聚焦超声（HIFU）破坏肝肿瘤剂量与效应的关系，为HIFU体外治疗肝肿瘤的临床剂量学提供参考数据。