目的探讨磁共振三维动态对比增强磁共振血管成像(3dDCE - MRA)对头颈部血管病变诊断的应用价值。
Objective To explore the application value of three-dimensional dynamic contrast-enhanced magnetic resonance angiography (3d DCE-MRA) of the skull and neck vessel disease.
结论动态对比增强磁共振灌注成像可以揭示肿瘤内血管分布状况，量化病变部位的血管生成，为临床提供病理生理学信息。
Conclusion Dynamic contrast-enhanced perfusion MR imaging can reveal the lesion vascular distribution and quantity angiogenesis of tumor and provide valuable physiopathologic information.
并且，同时运用动态对比增强核磁共振显象和分光显象比用T2加权核磁共振显象优势很明显。
Moreover, results with both dynamic contrast-enhanced imaging and spectroscopic imaging were significantly better than that with T2-weighted imaging.
方法单侧颈内动脉狭窄程度为70%-99%患者30例，行动态磁敏感对比增强磁共振成像。
Methods 30 patients with unilateral carotid artery stenosis ranging form 70% to 99% were selected to be scanned with PWI.
结论：肝细胞癌的磁共振动态增强曲线和对比增强率能够反映肿瘤微血管形成程度，从而有助于判断病人的预后。
Conclusion: The MR dynamic curves and contrast enhancement ratio may prove useful in estimating angiogenic activity and indicating prognosis in HCCs.
结论：肝细胞癌的磁共振动态增强曲线和对比增强率能够反映肿瘤微血管形成程度，从而有助于判断病人的预后。
Conclusion: The MR dynamic curves and contrast enhancement ratio may prove useful in estimating angiogenic activity and indicating prognosis in HCCs.
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