目的：研究动态增强磁共振成像（MRI）在肝占位检出和定性诊断中的价值。
Objective: To study the role of dynamically enhanced magnetic resonance imaging(MRI) in detection of focal liver lesions.
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.
目的：研究动态增强及延迟增强扫描磁共振成像对肝血管瘤的诊断价值。
Purpose: To investigate the value of dynamic and time delayed enhancement MR imaging on the diagnosis of hepatic hemangioma.
动态灌注磁共振成像可以为临床提供常规磁共振检查所不能提供的肿瘤微循环血液动力学方面的信息。
Dynamic contrast-enhanced perfusion MR imaging could provides the information on the microcirculation of tumors that cannot be acquired from the conventional MR imaging.
目的探讨应用动态增强磁共振成像(DCE MRI)评价的孤立性脑转移瘤血管通透性与血管内皮生长因子(VEGF)表达的空间分布相关性。
Objective to evaluate the correlation between vascular permeability by dynamic-contrast enhanced MRI (DCE-MRI) and vascular endothelial growth factor (VEGF) expression in solitary brain metastasis.
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.
目的：探讨三维动态增强磁共振血管成像（3DDCE MRA）对于颈部静脉系统疾病的临床应用价值。
Objective: To evaluate the clinical application value of 3D DCE MRA in the diagnosis of jugular vein diseases.
机能磁共振成像技术能够捕捉大脑血流情况，但神经元一经激活，血流就会在瞬息之间发生动态改变。
Functional MRI (fMRI) techniques can capture blood flow in the brain, but these hemodynamic changes occur seconds after the neuron has fired.
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.
目的评价对比剂动态增强三维(3d)磁共振血管成像(MRA)技术识别异常体循环动脉，诊断肺隔离症的方法与价值。
Objective To evaluate the feasibility of contrast enhanced three-dimensional (3d) magnetic resonance angiography (MRA) in identifying the systemic blood supply in pulmonary sequestration.
目的评价对比剂动态增强三维(3d)磁共振血管成像(MRA)技术识别异常体循环动脉，诊断肺隔离症的方法与价值。
Objective To evaluate the feasibility of contrast enhanced three-dimensional (3d) magnetic resonance angiography (MRA) in identifying the systemic blood supply in pulmonary sequestration.
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