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真实稳态自由进动序列结合时间空间标记反转脉冲技术在肝脏无对比剂磁共振血管造影中的应用

王萱 薛华丹 金征宇

王萱, 薛华丹, 金征宇. 真实稳态自由进动序列结合时间空间标记反转脉冲技术在肝脏无对比剂磁共振血管造影中的应用[J]. 协和医学杂志, 2011, 2(3): 237-241. doi: 10.3969/j.issn.1674-9081.2011.03.010
引用本文: 王萱, 薛华丹, 金征宇. 真实稳态自由进动序列结合时间空间标记反转脉冲技术在肝脏无对比剂磁共振血管造影中的应用[J]. 协和医学杂志, 2011, 2(3): 237-241. doi: 10.3969/j.issn.1674-9081.2011.03.010
Xuan WANG, Hua-dan XUE, Zheng-yu JIN. Non-contrast-enhanced Magnetic Resonance Angiography for Selective Visualization of Hepatic Vasculature with True Steady-state Free-precession Sequence Combined with Time-spatial Labeling Inversion Pulses[J]. Medical Journal of Peking Union Medical College Hospital, 2011, 2(3): 237-241. doi: 10.3969/j.issn.1674-9081.2011.03.010
Citation: Xuan WANG, Hua-dan XUE, Zheng-yu JIN. Non-contrast-enhanced Magnetic Resonance Angiography for Selective Visualization of Hepatic Vasculature with True Steady-state Free-precession Sequence Combined with Time-spatial Labeling Inversion Pulses[J]. Medical Journal of Peking Union Medical College Hospital, 2011, 2(3): 237-241. doi: 10.3969/j.issn.1674-9081.2011.03.010

真实稳态自由进动序列结合时间空间标记反转脉冲技术在肝脏无对比剂磁共振血管造影中的应用

doi: 10.3969/j.issn.1674-9081.2011.03.010
详细信息
    通讯作者:

    薛华丹 电话:010-65295447, E-mail:bjdanna95@hotmail.com

  • 中图分类号: R814.49

Non-contrast-enhanced Magnetic Resonance Angiography for Selective Visualization of Hepatic Vasculature with True Steady-state Free-precession Sequence Combined with Time-spatial Labeling Inversion Pulses

More Information
  • 摘要:   目的  探讨真实稳态自由进动序列(true steady-state free-precession, true SSFP)结合时间空间标记反转脉冲(time spatial labeling inversion pulse, T-SLIP)技术在肝动脉、门脉及静脉系统选择性成像中的应用, 以提高对肝脏无对比剂磁共振血管造影(non-contrast-enhanced magnetic resonance angiography, NCE-MRA)的认识。  方法  简述本院无对比剂磁共振肝脏血管造影扫描方案, 回顾性分析2010年10月至2011年5月4例临床病例。  结果  4例患者均成功扫描, 肝动脉均未发现变异, 门脉系统受侵犯2例, 门脉系统增宽1例; 肝静脉受累1例, 伴副肝静脉开放。  结论  true SSFP序列结合T-SLIP技术能够有效应用于选择性肝脏无对比剂MR血管造影, 具有广阔的临床应用价值。
  • 图  1  脾大待查病例true SSFP合并T-SLIP肝脏血管造影

    肝总动脉及肠系膜上动脉走行规则(A),门脉主干增宽,横径约1. 5 cm,各分支形态规则(B); 下腔静脉及肝左静脉(C)、肝中静脉(D)及肝右静脉(E)显示良好

    图  2  肝血管瘤病例true SSFP合并T-SLIP肝脏血管造影

    轴位示肝中静脉近段明显受压,管腔变细,肝右静脉略受压(A); 斜冠状位示肝左、右静脉形态规则(B),副肝静脉开放,形态粗大,引流肝VI段区域(B,C)

    图  3  横结肠癌周围侵犯病例true SSFP合并T-SLIP肝脏血管造影

    肝动脉走行规则(A); 曲面重建(B)和最大密度投影(C)均提示脾静脉根部与门脉主干延续处信号缺失,考虑受累闭塞,中远段信号尚可

    图  4  胆管细胞癌病例true SSFP合并T-SLIP肝脏血管造影

    肝动脉走行规则(A); 门脉右支自起始部鼠尾样狭窄,以远未见明确显示,门脉左支近段略受压,管腔未见明显狭窄,以远分支大致正常(B)

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出版历程
  • 收稿日期:  2011-06-02
  • 刊出日期:  2011-07-30

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