The signal loss of MRA with TOF in both fast flow and low flow was variable.
TOF法MRA对高速血流或低速血流所致的信号丢失的表现不同。
Methods 65 patients group and 26 control group were examined by MRA and TCD.
患者组65例，对照组26例，作磁共振血管成像和经颅多普勒检查。
Objective: To evaluate the small intracranial aneurysms with high resolution MRA.
目的：评价颅内小动脉瘤的高分辨率MRA。
Aim: To investigate diagnostic value of MRI and MRA for early cerebral infarction.
目的：评价磁共振成像(mri)和磁共振血管成像(MRA)对早期脑梗死的诊断价值。
MRA revealed dilated draining veins only in 2 cases and no medullary veins were shown.
MRA仅发现2例较粗大引流静脉显影，扩张髓静脉均未见显影。
In addition, MRA showed no stenosis or occlusion of large vessels except basilar artery.
此外，MRA示除基底动脉和左侧椎动脉外，其它主要大血管均未见狭窄和闭塞；
Angiography found positive MRA diagnosis in 7 dogs and negative MRA diagnosis in 5 dogs.
MRA诊断为阳性的7只犬和阴性的5只犬，血管造影与之一致。
Methods Both DSA and MRA were performed in 12 patients who confirme as moyamoya diseases.
方法对12例烟雾病患者进行DSA和MRA检查和回顾性分析。
Objective To explore the value of MRA in the diagnosis of the extremities vessels diseases.
目的探讨磁共振血管造影(MRA)在诊断外周血管疾病中的价值。
The results of experiment show that this algorithm is effective in MRI and MRA image fusion.
实验结果表明，该算法在MRI与MRA的图像融合中是有效的。
Conclusion MRA was an ideal and noninvasive method for the diagnosis of bulbar paralysis syndrome.
结论给具有球麻痹症状的病人行MRA检查，是理想、无创伤的有效方法。
Objective To investigate the MRA diagnosis and clinical treatment of blunt vertebral artery injury.
目的探讨闭合性椎动脉损伤的MRA诊断及临床治疗。
Objective To investigate value of ct, MRI, and MRA in diagnosis of intracranial cavernous hemangioma.
目的探讨MRI、MRA和CT对颅内海绵状血管瘤的诊断价值。
Objective To explore the diagnostic value of MRA in lower limb arterial disease of diabetic patients.
目的探讨磁共振血管造影(MRA)在诊断糖尿病下肢动脉疾病中的临床价值。
Objective To investigate the value of MRI and magnetic resonance angiography(MRA) for moyamoya disease .
目的探讨磁共振成像（MRI）和磁共振动脉成像（MRA）对烟雾病的诊断价值。
Objective: To evaluate the clinical application value of 3D DCE MRA in the diagnosis of jugular vein diseases.
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 mechanism and MRA diagnosis of vertebral artery injuries following closed cervical spine trauma.
目的探讨颈椎闭合性骨折脱位继发椎动脉损伤的机制及MRA诊断。
Objective To probe value of magnetic resonance angiography (MRA) in diagnosing traumatic carotid cavernous fistula (TCCF).
目的研究磁共振血管造影(MRA)在外伤性颈内动脉海绵窦瘘中的诊断价值。
Conclusion: MRI and MRA clearly display the size and degree of arteriosclerosis at early, and give SAE an early diagnosis.
结论：MRI和MRA可早期明确显示SAE的大小和动脉硬化程度，能对SAE做出早期诊断。
Objective To analyze the findings and technology of MRA (Magnetic Resonance Angiography) in the stenosis of carotid arteries.
目的分析磁共振血管成像显示颈动脉硬化的表现、技术。
Using MRA-WNN, we can approach the whole developing trend of the stock market (the contour), and also capture the changing details.
应用MRA-WNN既能逼近股票市场的整体变化趋势（轮廓），亦能捕捉变化的细节。
In comparison with DSA, MRA could accurately show the stenosis or occlusion of cerebral arteries and tortuous collateral circulation.
与DSA对比，MRA能够准确地显示闭塞或狭窄的大血管和代偿的不成形的弯延扭曲的侧支血管网。
Objective TO evaluate the value of 2-dimensional time-of-flight MR angiography (2d TOF MRA) diagnosis of closed vertebral artery injury.
目的探讨二维时间飞逝效应核磁共振血管成像(2dTOFMRA)对闭合性椎动脉损伤的诊断价值。
MRI, especially dynamic enhanced MRA, can not only confirm the lesion morphologically, but also evaluate the hemodynamics and prognosis.
MR特别是动态增强MRA不仅可以在形态上确认病灶，还可用以评价血流动力学改变和评估预后。
Objective To explore the value of color Doppler flow imaging (CDFI) and MR angiography (MRA) in diagnosis of the carotid atherosclerosis.
目的探讨彩色多普勒和磁共振血管成像(MRA)对颈动脉粥样硬化的诊断价值。
The average delay from the source to all destinations in the tree generated by the algorithm is about 90% of the traditional MRA algorithm.
相比于传统MRA算法，该算法生成的组播树中源点到组播成员节点的平均延时大约为前者的90%。
Results 2 patients' DWI were normal but MRA showed middle cerebral artery occlusive, and pathological vessels agreed with clinical symptoms.
结果2例DWI正常，但MRA颅内大脑中动脉闭塞，病变血管与临床症状相一致。
Objective To investigate the clinical value of double-helical ct angiography (DCTA) and MR angiography (MRA) for intracranial aneurysm (an).
目的评价双层螺旋ct血管造影(DCTA)与MR血管造影(MRA)诊断脑动脉瘤(AN)的价值。
Objective To investigate the clinical value of double-helical ct angiography (DCTA) and MR angiography (MRA) for intracranial aneurysm (an).
目的评价双层螺旋ct血管造影(DCTA)与MR血管造影(MRA)诊断脑动脉瘤(AN)的价值。
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