肝癌是最常见的恶性肿瘤之一 ,具有起病隐匿 ,恶性程度高 ,手术切除率低等特点。近年来 ,多种微创物理治疗技术 ,如射频消融 ,经皮激光热疗 ,微波消融 ,冷冻治疗 ,乙醇注射治疗及化疗栓塞等均逐渐应用于临床。激光热疗 (laser inducedthermotherapy,LITT)又称激光热消融 (laser Liver cancer is one of the most common malignant tumors, with occult onset, high degree of malignancy, low surgical resection rate. In recent years, a variety of minimally invasive physical therapy techniques such as radiofrequency ablation, percutaneous laser hyperthermia, microwave ablation, cryotherapy, ethanol injection and chemotherapy embolization are gradually applied to clinical. Laser induced thermotherapy (LITT), also known as laser thermal ablation (laser)