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.
目的评价三维动态增强磁共振血管造影（CEMRA）诊断肾动脉狭窄的价值。
Objective To assess the value of three-dimensional dynamic contrast-enhanced MR angiography (CEMRA) in the diagnosis of renal artery stenosis.
目的探讨单倍剂量增强磁共振主动脉造影（CEMRA）的可行性及其临床应用价值。
Objective To probe the feasibility of single dose contrast enhanced magnetic resonance aortography(CEMRA) and evaluate its value in clinical application.
目的评价彩超、增强磁共振动脉造影（CEMRA）对颅外颈动脉狭窄的术前评估价值。
Objective To evaluate the color ultrasound and CEMRA in assessment of extracranial ICA stenosis.
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.
增强磁共振血管成像显示由尺动脉发出的食指固有动脉（直箭头）朝着指尖小的强化病灶（弯箭头）。
Contrast-enhanced MR angiogram shows the proper digital vessels, with the ulnar artery to the second digit (straight arrow) coursing toward a small enhancing lesion in the fingertip (curved arrow).
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.
目的：探讨三维对比增强磁共振血管成像(3dDCEMRA)行肾静脉成像及其诊断肾静脉病变的价值。
Purpose: To explore the value of 3-dimensional dynamic contrast enhanced MRA (3d DCE MRA) in the renal vein imaging and the urinary tract disease diagnosing.
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.
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.
功能性磁共振造影研究显示，一个人在经历消极事件时，其脑部情绪处理区域的细胞活动会增强。
Functional Magnetic Resonance Imaging (fMRI) studies have shown increased cellular activity in emotion-processing regions at the time that a negative event is experienced.
目前，人们基于肿瘤大小和对比剂增强变化之原理，在治疗后1 - 3个月时，用磁共振成像(MRI)来评估解剖学上的肿瘤反应。
Currently, magnetic resonance imaging (MRI) is used 1-3 months after treatment to evaluate anatomical tumor response, based upon changes in tumor size and contrast-agent enhancement.
目的评价动态增强核磁共振在乳腺癌病人术前评估中所起的作用。
Objective To evaluate the function of dynamic contrast-enhanced magnetic resonance imaging in preoperative evaluation of patients with breast cancer.
钆是一类具有特色的磁性能金属，能增强核磁共振成像的可见度。它对肝脏有毒害。
Gadolinium is a metal with distinctive magnetic properties that increase its visibility during MRI scans. It is known to be toxic to the liver.
结论磁共振动态增强扫描能明显提高垂体微腺瘤的检出率，对垂体微腺瘤的诊断有重要价值。
Conclusions Dynamic enhanced MRI can increase the diagnostic accuracy of pituitary micro-adenoma. It has great value for the diagnosis of pituitary micro-adenoma.
目的评价磁共振动态增强扫描诊断垂体微腺瘤的价值。
Objective To evaluate the value of dynamic contrast enhancement MRI in the diagnosis of pituitary micro-adenomas.
目的探讨手推法对肝脏磁共振动态增强效果的影响。
Objective To evaluate the hepatic MRI dynamic contrast-enhanced effect with the hand bolus injection method.
脑膜转移瘤；磁共振成像；增强扫描。
Meningeal metastasis; Nuclear magnetic resonance; Enhanced scan.
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：研究正常大鼠肝脏磁共振的超顺磁性氧化铁(SPIO)剂量梯度-肝脏信号曲线，寻找合适的增强剂量。
Objective: to establish a curve of dosage gradient liver signal intensity of superparamagnetic iron oxide (SPIO) in normal rats and to find an appropriate dose for enhancement.
动物试验结果表明，本发明的磁共振肿瘤靶向对比剂，选择性好、增强效果明显、毒副作用低。
Animal experiments show that the magnetic resonance tumor targeted contrast agent has good selectivity, obvious enhanced effect and low toxic and side effects.
结果：为磁共振图像进行增强局部对比度算法研究提供了一个研发平台，实现了位图图像与医学数字成像和通信图像的数据转换接口功能。
RESULTS: the system provided a research platform for the algorithm of MRI local enhancement, and had the interface function of image format conversion between bitmap and DICOM.
目的对基于数学形态学的磁共振图像局部对比度增强算法进行临床MR图像测试，为完善算法提供依据。
Objective To improve the new algorithm of local contrast enhancement for MR image based on mathematical morphology, we evaluated the performance of the algorithm by real MR images from clinical use.
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.
结果10头苏中猪心脏磁共振检查均有心肌的延迟增强显像。
Results All 10 pigs showed delayed enhancement signal, which was confirmed to be necrotic myocardium pathologically by TTC or HE staining.
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.
本文复习了肝脏磁共振增强扫描中所应用的阳性及阴性造影剂。
Positive and negative contrast media for enhanced MR imaging of the liver were studied.
本文复习了肝脏磁共振增强扫描中所应用的阳性及阴性造影剂。
Positive and negative contrast media for enhanced MR imaging of the liver were studied.
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