functional magnetic resonance imaging of the human motor cortex
Báo cáo y học: "Use of T2-weighted magnetic resonance imaging of the optic nerve sheath to detect raised intracranial pressure" pps
Ngày tải lên :
13/08/2014, 11:22
... could probably increase the precision of the measurement of ONSD Consequently, this test should not be used to predict the exact value of ICP but to estimate the probability of intracranial hypertension ... quantitative high-resolution magnetic resonance imaging of the optic nerve at 3.0 tesla Invest Radiol 2006, 41:83-86 Brodsky MC, Vaphiades M: Magnetic resonance imaging in pseudotumor cerebri ... signal surrounding a region of low signal corresponding to the optic nerve (Figure 1) The axial image slice that provided the best view of the ONSD was chosen and the slice was interpolated to...
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Báo cáo hóa học: " Adenoviruses with an avb integrin targeting moiety in the fiber shaft or the HI-loop increase tumor specificity without compromising antitumor efficacy in magnetic resonance imaging of colorectal cancer metastases" pdf
Ngày tải lên :
18/06/2014, 16:20
... is achieved with adenoviruses with RGD moieties in the HI loop of the fiber or in the KKTK domain of the fiber [30] Furthermore, mutation of the KKTK domain ablated binding to HSPGs and led to ... how these models correlate with humans Furthermore, most of the existing data are based on immune deficient mouse models and whether it can be applied in humans where the immune system makes the ... the life of an adenovirus much tougher, requires further study RGD modification in the KKTK domain of the fiber shaft may have potential to increase the overall antitumor efficacy of the oncolytic...
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Báo cáo y học: "Functional magnetic resonance imaging (fMRI) of attention processes in presumed obligate carriers of schizophrenia: preliminary findings" ppsx
Ngày tải lên :
08/08/2014, 23:21
... bottom of the screen) The top and bottom thresholds were equally set at 1/3 of the test screen (i.e., circles turn red at the top 1/3 of the screen and at the bottom 1/3 of the screen) The speed ... being the active periods of the tasks and the 30-s 'off' trials with participants instructed to 'rest' while maintaining visual attention to the screen The 'off' trials for all conditions had the ... in the parahippocampal gyrus of the POCs was observed during all three conditions of attention The parahippocampal gyrus surrounds the hippocampus and lies in the medial temporal lobes of the...
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Báo cáo y học: "Long term evaluation of disease progression through the quantitative magnetic resonance imaging of symptomatic knee osteoarthritis patients: correlation with clinical symptoms and radiographic change" pps
Ngày tải lên :
09/08/2014, 07:20
... radiological evidence of OA of the affected knee on a radiograph obtained within six months of the outset of the study Finally, patients had to have a minimum JSW of the medial compartment of between and ... seen, either between the level of the biomarker and the loss of cartilage volume assessed by qMRI (global, medial, and lateral compartments), or between the level of the biomarker and the changes ... or NSAIDs, the regimens of which could be changed according to the preference of the rheumatologist and the clinical course of the patient Such regimens, as well as any changes to them, were...
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Báo cáo y học: "Correlation of histopathological findings and magnetic resonance imaging in the spine of patients with ankylosing spondylitis" potx
Ngày tải lên :
09/08/2014, 08:22
... In two of the patients in whom zygapophyseal joints were MRI-negative, signs of osteitis were seen at other sites of the spine: in the vertebral bodies of thoracic vertebrae 11 and 12 of patient ... vertebra of the lumbar spine; Th, vertebra of the thoracic spine Results Mononuclear cell infiltration We summarize the results of a semi-quantitative analysis of mononuclear cell infiltration in the ... cytoreductive therapy in chronic idiopathic myelofibrosis [14] (Figure 1b; red arrows, edema; black arrow, vacuoles of fat cells) The relative amount of edema, calculated as the percentage of the total...
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báo cáo khoa học: "Contribution of magnetic resonance imaging in the diagnosis of talus skip metastases of Ewing’s sarcoma of the calcaneus in a child: a case report" pdf
Ngày tải lên :
10/08/2014, 23:20
... Jalal et al.: Contribution of magnetic resonance imaging in the diagnosis of talus skip metastases of Ewing’s sarcoma of the calcaneus in a child: a case report Journal of Medical Case Reports 2011 ... from the father of our patient for publication of this case report and any accompanying images A copy of the written consent is available for review by the Editor-in-Chief of this journal Page of ... years It involves the diaphyses of long bones and occurs Figure CT image of the patient’s foot, revealing a soft-tissue mass originating from the calcaneus, permeative destruction of the entire bone...
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Cardiovascular magnetic resonance imaging in the assesment of myocardial blood flow, viability, and diffuse fibrosis in congenital and acquired heart disease
Ngày tải lên :
20/05/2016, 20:50
... during the first pass of contrast agent b) Time to peak: The time from the onset of contrast enhancement (the foot of the SI curve) to the peak of the SI curve c) Peak SI: The peak value of SI ... Cardiovascular Magnetic Resonance Imaging (CMR) a) History of Magnetic Resonance Imaging and the Development of CMR In 1946, Felix Bloch and Edward Purcell discovered the nuclear magnetic resonance ... activation of the α2 receptors in the vessels In the field of CMR imaging, adenosine is most commonly used for stress perfusion imaging for the detection of CAD with an iv dosage of 140 μg/kg/min...
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Tài liệu Functional Magnetic Resonance Imaging – Advanced Neuroimaging Applications Edited by Rakesh Sharma doc
Ngày tải lên :
19/02/2014, 23:20
... (Hendry & Reid, 2000) The axons of all these ganglion cells exit the eye, forming the optic nerve and synapse in the midbrain Since the diameter of the optic nerve and the number of the ganglion cell ... information from the ipsilateral retina 3.3 Primary visual cortex (V1) The cells of dLGN send most of their axons to the cerebral cortex, specifically, the primary visual cortex (V1) along with the visual ... visual cortex (right visual cortex) The same repeated for the albino reveals the opposite since the majority of the neurons cross the optic chiasm and end up in the contralateral visual cortex...
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Báo cáo y học: "Functional magnetic resonance imaging findings in fibromyalgia" potx
Ngày tải lên :
09/08/2014, 08:23
... understanding the central processing of pain The assessment of temporal characteristics is best performed through the use of the electroencephalogram or with the more advanced application of magnetoencephalography, ... characteristics, the spatial resolution of these methods is relatively poor in comparison to other methods and is aided by the use of the modalities described below Assessment of spatial characteristics often ... Arthritis Research & Therapy Vol No Williams and Gracely chosen for the dense innervation of the thumb, and the large representation of the thumb in the primary somatosensory cortex In addition,...
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Báo cáo y học: "Cerebral misery perfusion diagnosed using hypercapnic blood-oxygenation-level-dependent contrast functional magnetic resonance imaging: a case report" potx
Ngày tải lên :
11/08/2014, 11:23
... confirmed the presence of numerous deep watershed infarcts in addition to his two cortical infarcts There was persistent occlusion of his left ICA on this imaging In an attempt to understand the aetiology ... posterior cortical and internal watershed territories of the left cerebral hemisphere Magnetic resonance angiogram shows complete occlusion of the left internal carotid artery PET scanning is unique ... and not widely available Other modalities, such as the BOLD-contrast fMRI used here, establish a measurement of rCBF either by comparing the affected hemisphere to the contralateral (normally...
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Fast registration of contrast enhanced magnetic resonance images of the breast
Ngày tải lên :
06/10/2015, 20:49
... FAST REGISTRATION OF CONTRAST-ENHANCED MAGNETIC RESONANCE IMAGES OF THE BREAST SUN YIN (B.Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL & ... (FEM), and the results confirmed the reliability of the method The calculation of MI and NMI is a highly computationally intensive task It requires the formation of the joint histogram of corresponding ... up the registration process by an order of magnitude with similar registration quality In the second part, we aimed to further speed up the registration process by offloading the bulk of the...
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Báo cáo y học: "Magnetic resonance imaging in psoriatic arthritis: a review of the literature" pdf
Ngày tải lên :
09/08/2014, 07:20
... example of bone oedema from a patient with the mutilans form of PsA There is extensive bone oedema involving the head of the proximal phalanx and extending down the shaft of the bone On the distal ... coworkers [41] described the MRI features of enthesitis as being characterized by ‘swelling [of the entheseal region] and deviation from the normally uniform low signal intensity of tendons and ligaments, ... arrow) There is also diffuse bone oedema (short thin arrows) involving the head of the proximal phalanx and extending distally down the shaft capsular fluid/oedema’ in entheseal portions of the...
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Báo cáo y học: "The association between patellar alignment on magnetic resonance imaging and radiographic manifestations of knee osteoarthritis" ppsx
Ngày tải lên :
09/08/2014, 10:20
... Biomechanics of the patello-femoral joint Part II: A study of the effect of simulated femoro-tibial varus deformity on the congruity of the patellofemoral compartment and movement of the patella ... indicates the lateral displacement of the patella in relation to deepest part of the femoral sulcus LPTA shows the angle of patellar inclination, which indicates the tightness or looseness of the lateral ... length, from the upper to the lower point of the inner (articulating) surface of the patella excluding osteophytes amd patellar ligament length, from the lower inner point of the patella to the highest...
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Báo cáo y học: "Risk factors associated with the loss of cartilage volume on weight-bearing areas in knee osteoarthritis patients assessed by quantitative magnetic resonance imaging: a longitudinal study" pot
Ngày tải lên :
09/08/2014, 10:20
... width data The analyses focused first on MRI data from the central areas of the medial compartment as they presented the greatest loss of cartilage volume and were therefore the areas of the most ... topographical loss of cartilage in the different subregions of the knee and the associated risk factors Moreover, the impact of the location and rate of cartilage loss on the evolution of OA symptoms ... time as the disease progressed The relationship between the worsening in the WOMAC scores with the loss of cartilage on the central portion of the tibial plateau is intriguing The level of significance...
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Báo cáo y học: "What magnetic resonance imaging has told us about the pathogenesis of rheumatoid arthritis - the first 50 years" doc
Ngày tải lên :
09/08/2014, 13:22
... events leading to bone erosion The advent of magnetic resonance imaging (MRI) in early rheumatoid arthritis (RA) allows the demonstration of the early appearance of MRI bone oedema, histologically ... undertaking molecular imaging in vivo in humans The power of imaging to probe beyond the anatomical basis for RA and progressively delve The Scientific Basis of Rheumatology: A Decade of Progress This ... prevented used, including the quantitative measurement of synovitis by the evaluation of its thickness in millimetres, calculation of the volume of a given slice, or estimating the entire joint volume...
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Báo cáo y học: "Soft-tissue perineurioma of the retroperitoneum in a 63-year-old man, computed tomography and magnetic resonance imaging findings: a case report" doc
Ngày tải lên :
11/08/2014, 03:21
... stroma The immunohistochemical studies are often necessary for the diagnosis of soft-tissue perineurioma [3,4] To the best of our knowledge, MRI and CT images of soft-tissue perineurioma in the ... neurofibromas are unencapsulated tumors [6], and the possibility of neurofibroma can be excluded if the findings suggest the presence of a capsule [7] Other differential diagnoses include malignant ... entities are similar: they lack early enhancement, but delayed enhancement increased gradually However, one of the MR imaging characteristics of ganglioneuroma is curvilinear bands of low signal intensity...
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Báo cáo y học: "Soft-tissue perineurioma of the retroperitoneum in a 63-year-old man, computed tomography and magnetic resonance imaging findings: a case report." pps
Ngày tải lên :
11/08/2014, 07:20
... stroma The immunohistochemical studies are often necessary for the diagnosis of soft-tissue perineurioma [3,4] To the best of our knowledge, MRI and CT images of soft-tissue perineurioma in the ... neurofibromas are unencapsulated tumors [6], and the possibility of neurofibroma can be excluded if the findings suggest the presence of a capsule [7] Other differential diagnoses include malignant ... entities are similar: they lack early enhancement, but delayed enhancement increased gradually However, one of the MR imaging characteristics of ganglioneuroma is curvilinear bands of low signal intensity...
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