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MRI动态增强扫描评估HIFU治疗原发性肝癌的疗效
引用本文:张园园,赵建农,郭大静,吴伟,陈维娟,冉立峰.MRI动态增强扫描评估HIFU治疗原发性肝癌的疗效[J].第三军医大学学报,2008,30(8):754-757.
作者姓名:张园园  赵建农  郭大静  吴伟  陈维娟  冉立峰
作者单位:1. 重庆医科大学附属第二医院放射科,重庆,400010
2. 重庆医科大学附属第二医院肿瘤中心,重庆,400010
摘    要:目的 探讨MRI动态增强扫描在高强度聚焦超声(high intensity focused ultrasound,HIFU)治疗原发性肝癌疗效评价及预后判断中的价值.方法 经临床或病理确诊的28例原发性肝癌患者共51个病灶,HIFU治疗前后行MRI动态增强扫描,分析HIFU治疗后病灶内部及其周边强化特点.结果 48个病灶行1次HIFU治疗,其中39个病灶(76.47%)HIFU治疗1~2周后MRI复查病灶中央坏死、无强化,病灶周边呈环状强化,2~3个月、5~6个月、8~9个月、11~12个月、17~18个月以及20个月时上述病灶行1~6次MRI复查,未发现异常强化;4个病灶(7.84%)HIFU治疗1~2周后MRI复查病灶中央坏死、无强化,周边可见环状强化,2~3个月后MRI复查发现病灶边缘出现结节状强化;3个病灶(5.88%)HIFU治疗1~2周后MRI复查病灶内部和(或)周边仍可见点状、结节状或斑片状强化,2~3个月后MRI复查发现残存强化病灶范围扩大,数目增多;2个病灶(3.92%)合并门静脉癌栓,经HIFU治疗后MRI复查有新病灶出现.3个病灶(5.88%)因体积太大(最大直径分别为9.6、12.7、14.8 cm),采取分次HIFU治疗(2~3次),末次HIFU治疗后1~2周MRI复查并与治疗前对比发现,病灶呈大片状无强化低信号区.结论 MRI动态增强扫描可以敏感地反映HIFU治疗后病灶坏死情况及其周边强化特点.

关 键 词:高强度聚焦超声  肝肿瘤  磁共振成像
文章编号:1000-5404(2008)08-0754-04
修稿时间:2007年12月4日

Evaluation of HIFU effect on hepatocellular carcinoma with dynamic contrast-enhanced MRI
ZHANG Yuan-yuan,ZHAO Jian-nong,GUO Da-jing,WU Wei,CHEN Wei-juan,RAN Li-feng.Evaluation of HIFU effect on hepatocellular carcinoma with dynamic contrast-enhanced MRI[J].Acta Academiae Medicinae Militaris Tertiae,2008,30(8):754-757.
Authors:ZHANG Yuan-yuan  ZHAO Jian-nong  GUO Da-jing  WU Wei  CHEN Wei-juan  RAN Li-feng
Institution:ZHANG Yuan-yuan1,ZHAO Jian-nong1,GUO Da-jing1,WU Wei1,CHEN Wei-juan1,RAN Li-feng2(1Department of Radiology,2Clinical Center for Tumor Therapy,The Second Affiliated Hospital of Chongqing Medical University,Chongqing 400010,China)
Abstract:Objective To study the value of dynamic contrast-enhanced MRI in evaluating the curative effect of high intensity focused ultrasound(HIFU) for hepatocellular carcinoma(HCC) and the prognosis.Methods Fifty-one lesions in twenty-eight patients with surgically or pathologically confirmed HCC underwent dynamic contrast-enhanced MRI scanning before and after HIFU treatment.The enhancement features of the lesions and the surrounding tissues were analyzed.Results Forty-eight lesions underwent one HIFU treatment,am...
Keywords:high intensity focused ultrasound  hepatocellular carcinoma  magnetic resonance imaging  
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