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肝脏肿瘤的发病率居高不下,在一些发展中国家尤其在我国乃至亚非地区,肝癌已经成为一种特色疾病,成为三大癌症之一。随着临床上对肝脏原发或继发肿瘤治疗方法及水平的不断提高,对肝脏肿瘤的影像诊断要求也越来越高,不仅要发现肿瘤、诊断及鉴别诊断肿瘤,还要对肿瘤的定位及侵犯程度有较好的评估,对各种治疗肿瘤病变方法疗效的评价也是临床上迫切关心的问题。CT、MRI、超声、PET-CT等影像技术在成像方法及肝脏特殊对比剂等方面在均快速发展,对肝脏肿瘤的定性、定位等诊断标准也日趋成熟。此外,分子影像学可利用影像手段非侵入性地对活体内
The incidence of liver cancer is high, and in some developing countries, especially in China and even in Asia and Africa, liver cancer has become a characteristic disease and has become one of the three major cancers. With the clinically primary or secondary treatment of liver tumors and the continuous improvement of the level of diagnostic imaging of liver tumors are also higher and higher, not only to find the tumor, the diagnosis and differential diagnosis of tumor, but also the positioning of the tumor And the extent of violations have a better assessment of the efficacy of various methods of treatment of tumor lesions is also an evaluation of the clinical issues of urgent concern. CT, MRI, ultrasound, PET-CT and other imaging techniques in the imaging methods and special contrast agents such as liver are in rapid development of the liver tumor qualitative, localization and other diagnostic criteria are also increasingly mature. In addition, molecular imaging can be used non-invasively for imaging in vivo