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159 Result(s)
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Article
MRI reveals changes in intracellular calcium in ischaemic areas of rabbit brain
Since calcium overload is thought to be important in ischaemic neuronal death, we have used a focal ischaemic model to determine the relationships between changes in intracellular calcium concentration ([Ca2+] i)...
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Article
Central neurocytoma: a clinicopathological and neuroradiological study
Central neurocytoma (CNC) is an uncommon benign tumor of the central nervous system (CNS) occurring in adults and is more likely to be located in the region of the foramina of Monra. Few studies have described...
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Article
The dural entrance of cerebral bridging veins into the superior sagittal sinus: an anatomical comparison between cadavers and digital subtraction angiography
Intracranial venous structures have received increasing attention due to improved neuroimaging techniques and increased awareness of cerebral venous disease. To date, few studies have attempted to investigate ...
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Article
Evaluation of invasiveness of astrocytoma using 1H-magnetic resonance spectroscopy: correlation with expression of matrix metalloproteinase-2
Even low-grade astrocytomas infiltrate the entire brain, a feature that precludes their successful therapy. So to assess the invasive potential of astrocytoma is very important. The aim of this study was deter...
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Article
Open AccessPerfusion MR imaging for differentiation of benign and malignant meningiomas
Our purpose was to determine whether perfusion MR imaging can be used to differentiate benign and malignant meningiomas on the basis of the differences in perfusion of tumor parenchyma and/or peritumoral edema.
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Article
Studying neonatal bilirubin encephalopathy with conventional MRI, MRS, and DWI
The purpose of this study was to evaluate the diagnostic value of conventional magnetic resonance imaging (MRI), proton magnetic resonance spectroscopy (1H-MRS), and diffusion-weighted imaging (DWI) for neonatal ...
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Article
Preoperative subty** of meningiomas by perfusion MR imaging
This paper aims to evaluate the value of perfusion magnetic resonance (MR) imaging in the preoperative subty** of meningiomas by analyzing the relative cerebral blood volume (rCBV) of three benign subtypes a...
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Article
Endovascular treatment of high-risk tentorial dural arteriovenous fistulas: clinical outcomes
An increasing number of intracranial dural arteriovenous fistulas (DAVFs) are amenable to endovascular treatment with Onyx-18. We reviewed our experience with the endovascular management of tentorial dural art...
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Article
MRI diagnosis and preoperative evaluation for pure epidural cavernous hemangiomas
The aims of the study were to summarize the characteristics of the spinal epidural cavernous hemangioma, especially for the MRI, and to improve the accurate rate of the preoperative diagnosis.
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Article
A longitudinal observational study of brain atrophy rate reflecting four decades of multiple sclerosis: a comparison of serial 1D, 2D, and volumetric measurements from MRI images
Multiple sclerosis (MS) has a variable progression with an early onset of atrophy. Individual longitudinal radiological evaluations (over decades) are difficult to perform due to the limited availability of ma...
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Article
Development of laminar organization of the fetal cerebrum at 3.0T and 7.0T: a postmortem MRI study
The purpose of this study is to show the condition of laminar organization on 3.0T and 7.0T postmortem magnetic resonance imaging (MRI) and analyze developmental changes.
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Article
Grading of supratentorial astrocytic tumors by using the difference of ADC value
To investigate the application value of diffusion-weighted imaging (DWI), the difference of apparent diffusion coefficient (ADCdifference) value calculated from ADCdifference map was used, in evaluating the patho...
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Article
Continuing the search for MR imaging biomarkers for MGMT promoter methylation status: conventional and perfusion MRI revisited
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Article
Development of the subcortical brain structures in the second trimester: assessment with 7.0-T MRI
This study aims to obtain the signal intensity changes and quantitative measurements of the subcortical brain structures of 12–22 weeks gestational age (GA).
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Article
Factors affecting long-term restenosis after carotid stenting for carotid atherosclerotic disease
The most significant factors leading to restenosis are yet to be described in the literature. The purpose of our study was to identify the incidence of restenosis in our patients with carotid artery stenting (...
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Article
The feasibility and efficacy of endovascular treatment for very small or tiny ruptured paraclinoid aneurysms
The aim of this study was to evaluate the feasibility of endovascular treatment (EVT) for ruptured very small (≤5 mm) or tiny (≤3 mm) paraclinoid aneurysms of the internal carotid artery (ICA).
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Article
Value of imaging lenticulostriate arteries before middle cerebral artery stenting for the prevention of perforator stroke
In this study, we investigated whether pre-procedural imaging of LSAs would potentially be helpful for preventing LSAs from being covered.
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Article
Relationship between vertebral artery hypoplasia and posterior circulation stroke in Chinese patients
Vertebral artery hypoplasia (VAH), which has been found in about 10 % of normal individuals, does not produce symptoms but may be associated with an increased risk of cerebral posterior circulation ischemic (P...
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Article
Biodegradable flow-diverting device for the treatment of intracranial aneurysm: short-term results of a rabbit experiment
One main complication of a flow-diverting device (FD) in treating intracranial aneurysm is stenosis of parent artery (PA) or occlusion of side branches. The use of a biodegradable device may satisfy the need f...
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Article
In vivo quantitative whole-brain diffusion tensor imaging analysis of APP/PS1 transgenic mice using voxel-based and atlas-based methods
Diffusion tensor imaging (DTI) has been applied to characterize the pathological features of Alzheimer's disease (AD) in a mouse model, although little is known about whether these features are structure speci...