use of preoperative functional magnetic resonance imaging and diffusion tensor tractography

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

... Bley TA: Fast and 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 ... best cut-off value of ONSD for detecting raised ICP was 5.82 mm, with a sensitivity of 90%, a specificity of 92% and a negative predictive value of 92% One hundred per cent sensitivity and negative ... sensitivity and negative predictive value were 90% and 92%, respectively A lower cut-off of 5.30 mm resulted in a sensitivity and negative predictive value of 100% for a diagnosis of significant...

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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

... a functional magnetic resonance imaging (fMRI) study found decreased activity in superior temporal and frontal gyri in addition to the cingulate cortex and thalamus [3] Similarly vast areas of ... performed a practice test outside of the scanner and proceeded to the scanning session after demonstrating their understanding of, and ability to perform, the task Two of the POCs could not complete ... et al (2000) [17] Nevertheless, because this is the first fMRI study of POCs and the first to use this task, replication of these findings in a larger cohort of POCs is necessary in order to validate...

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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

... from two prospective studies of the quality of life of veterans (one of men and one of women), from clinics at the Veterans Administration Boston Health Care System and from advertisements in local ... gap, one excitation, a field of view (FOV) of 11 to 12 cm, and a matrix of 256 pixels × 192 pixels; and coronal and axial spinecho fat-suppressed proton density-weighted and T2weighted images (TR ... the lateral view and was originally proposed by Insall and Salvati [13] Shabshin and colleagues [32] used MRIs of extended knees to measure the PLR, and suggested that PLRs of more than 1.50...

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Báo cáo y học: " Magnetic resonance imaging and mammographic appearance of dermatofibrosarcoma protuberans in a male breast: a case report and literature review" doc

Ngày tải lên : 11/08/2014, 14:20

... a case of dermatofibrosarcoma protuberans on the breast of a Chinese man Diagnostic work-up comprised clinical examination, mammography and magnetic resonance imaging (MRI), and diagnosis was ... Dermatofibrosarcoma protuberans: MR imaging features AJR 2002, 178:989-993 Abbreviations DFSP, Dermatofibrosarcoma protuberans; FSE, fast spin echo; MRI, magnetic resonance imaging; CD, cluster of ... a large recurrence lesion, magnetic resonance imaging (MRI) is useful for ascertaining the depth of tumor invasion In addition, MRI is a help in evaluating position and a differential diagnosis...

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Tài liệu Magnetic resonance imaging and gynecological devices doc

Ngày tải lên : 13/02/2014, 07:20

... of interaction between magnetic resonance imaging and the copper-T380A IUD Contraception 1997;55:169–73 543 [13] Zieman M, Kanal E Copper T 380A IUD and magnetic resonance imaging Contraception ... imaging technique, enabling the differentiation of organs and tissues by contrast through the use of radiofrequency waves The generation of a magnetic field may have harmful effects, particularly ... regarding the use of MRI on women with contraceptive devices or implants Material and methods The authors researched in PubMed-Medline/Ovid using the following keywords: Magnetic Resonance Imaging, ...

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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

... governmental, industrial and academic institutions globally Regardless of the MRI systems and the brands used, one should always be able to understand and justify the use of the right imaging fMRI protocol, ... are ferromagnetic and may displace and cause serious injury or death Some shunt valves use magnetic components and exposure to the MRI’s magnetic field may change the valve settings and lead ... interest in the ﬁeld of neuroimaging Functional magnetic resonance imaging (fMRI) has provided vision science researchers a powerful and noninvasive tool to understand eye function and correlate it...

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Báo cáo y học: "Autologous chondrocyte implantation for cartilage repair: monitoring its success by magnetic resonance imaging and histology" ppt

Ngày tải lên : 09/08/2014, 01:21

... MRI, magnetic resonance imaging; n/a not applicable; N/A not available with standard and polarised light and images captured and digitised using a closed-circuit television and Image Grabber software ... 53 Chung CB, Frank LR, Resnick D: Magnetic resonance imaging: state of the art Cartilage imaging techniques Current clinical applications and state of the art imaging Clin Orthop 2001, 391(suppl):S370-S376 ... understanding of the biology of cartilage repair remains poor Further long-term study of patients treated with ACI, together with the use of objective outcome measures, should improve this understanding,...

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Báo cáo y học: "Are bone erosions detected by magnetic resonance imaging and ultrasonography true erosions? A comparison with computed tomography in rheumatoid arthritis metacarpophalangeal joints" pptx

Ngày tải lên : 09/08/2014, 08:22

... attenuation of X-rays, and calcified tissues such as bone are readily depicted because of their markedly greater attenuation in comparison with the surrounding soft tissues Because imaging with MRI and ... ultrasound and magnetic resonance imaging of synovial inflammation of the hand in rheumatoid arthritis: a comparative study Arthritis Rheum 2003, 48:2434-2441 24 Szkudlarek M, Court-Payen M, Strandberg ... radiographs Imaging evaluation All imaging modalities were evaluated with investigators blinded to clinical and other imaging data Each MCP joint quadrant (radial and ulnar part of the metacarpal head and...

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Báo cáo y học: "Functional magnetic resonance imaging findings in fibromyalgia" potx

Ngày tải lên : 09/08/2014, 08:23

... this limitation and expanding the types of physiological variables that can be evaluated by functional brain imaging Magnetic resonance perfusion can assess cerebral blood flow and cerebral blood ... pioneering application of brain functional imaging to patients with FM used the SPECT method Mountz [20] used SPECT to evaluate baseline levels of rCBF in ten patients with fibromyalgia and in seven healthy ... measure of rCBF with a resolution of about 8.5 mm The analysis examined overall activity in large regions of interest corresponding to the right and left thalamus and the right and left head of the...

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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

... multicenter randomized trial of STA-MCA anastomosis with primary end-points of 30-day stroke mortality and stroke incidence A total of 1377 patients were recruited and 663 were randomized to ... contrast functional magnetic resonance imaging: a case report Journal of Medical Case Reports 2010 4:54 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient online ... watershed territories of the left cerebral hemisphere Magnetic resonance angiogram shows complete occlusion of the left internal carotid artery PET scanning is unique because it provides absolute...

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Báo cáo y học: " Risks associated with magnetic resonance imaging and cervical collar in comatose, blunt trauma patients with negative comprehensive cervical spine computed tomography and no apparent spinal deficit" pdf

Ngày tải lên : 13/08/2014, 11:22

... The safe use of equipment in the magnetic resonance environment Health Devices 2001, 30:421-444 97 ECRI: What's new in MR safety: the latest on the safe use of equipment in the magnetic resonance ... dynamic fluoroscopy is of limited value [11,13,14] Several authors have questioned the use of dynamic fluoroscopy or have abandoned the procedure because of inadequate CS imaging, safety concerns, ... D: Diffusion weighted magnetic resonance imaging for acute stroke: practical and popular Postgrad Med J 2006, 82:289-292 103 Hand PJ, Wardlaw JM, Rowat AM, Haisma JA, Lindley RI, Dennis MS: Magnetic...

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The use of gold nanostructures in the imaging and therapy of cancer

Ngày tải lên : 11/09/2015, 09:02

... hydroxide nanoparticles at (a) pH of 4, (b) pH of 6, (c) pH of and (d) pH of 11 on the surface of amine functionalized silica cores to illustrate the influence of pH on the seeding efficiency using ... the growth of gold shell [28]…… ……………… …126 Figure 5.1 Reaction schematic of the synthesis and pegylation of gold nanoshells with core of 81 nm radius and gold shell thickness of 23 nm used in this ... z-stacks of a series of confocal optical sectioning of CNE2 cells shown on the top and right side of the en face image show the staining on the cross section side profile of the cells The top and...

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báo cáo hóa học:" Dynamic magnetic resonance imaging in assessing lung function in adolescent idiopathic scoliosis: a pilot study of comparison before and after posterior spinal fusion" doc

Ngày tải lên : 20/06/2014, 01:20

... statistical software (Release 13, SPSS Inc., Chicago, Illinois) was used in the analysis Results The spatial resolution of the reformatted axial and coronal images of the chest was considered to be of ... http://www.josr-online.com/content/2/1/20 Figure Measurement of AP and TS diameter of the chest wall on the reformatted axial image Measurement of AP and TS diameter of the chest wall on the reformatted axial ... manuscript Particularly, WCWC and BKWN carried out the analysis of data and wrote the manuscript; AML and TPL contributed to the editing of the manuscript, clinical recruitment and assessment; WWML participated...

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Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 1 ) pptx

Ngày tải lên : 29/06/2014, 09:21

... rights reserved Usage subject to terms and conditions of license 84 132 150 162 164 166 168 Contents VIII Pelvis MRI MRI MRI MRI MRI MRI MRI of of of of of of of the the the the the the the Female ... III Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging Volume II Thorax, Heart, Abdomen, and Pelvis Torsten B Moeller, MD Department of Radiology Caritas ... terms and conditions of license CT of the Thorax 36 37 38 39 40 41 42 1/2 —— = Borders of lung segments Right Lung Apical segment of upper lobe Posterior segment of upper lobe Anterior segment of...

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Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 2 ) doc

Ngày tải lên : 29/06/2014, 09:21

... terms and conditions of license 165 166 MR Angiography of the Splenic and Portal Veins Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of license ... to terms and conditions of license 148 MRI of the Abdomen 28 29 30 31 —— = Peritoneum Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of license ... terms and conditions of license 150 MRI of the Abdomen 31 (Numbers indicate liver segments) Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of...

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Báo cáo y học: "Magnetic resonance imaging changes of sacroiliac joints in patients with recent-onset inflammatory back pain: inter-reader reliability and prevalence of abnormalities" potx

Ngày tải lên : 09/08/2014, 07:20

... duration of more than eight years between the start of symptoms and the diagnosis of AS is reported [3,4] Such a delay is increasingly unwarranted because of the availability of effective treatment Magnetic ... One-third of the patients reported a history of either psoriasis, IBD or uveitis Two additional patients reported a history of both uveitis and IBD, and one patient reported psoriasis and IBD Of the ... reliability and sensitivity to change over one year J Rheumatol 1999, 26:997-1002 Braun J, Bollow M, Eggens U, Konig H, Distler A, Sieper J: Use of dynamic magnetic resonance imaging with fast imaging...

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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

... Improvements in the standardization and interpretation of knee and hip radiographs have produced more accurate measurements of both joint space width (JSW) and the progression of joint space narrowing ... Therefore, the use of JSW changes in knee OA studies is such that a minimum follow-up of at least 24 months and a cohort of several thousands is necessary to establish the effect of pharmacological ... 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 mm,...

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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

... Figure Positive correlation of bone marrow edema in histopathological assessment and magnetic resonance imaging (a) Magnetic resonance imaging (T2 imaging sequence) of a zygapophyseal joint with ... (yellow arrow) Figure Negative correlation of bone marrow edema in histopathological assessment and magnetic resonance imaging (a) Magnetic resonance imaging of imaging zygapophyseal joints (cyan arrows) ... Correlation of histopathological findings and magnetic resonance imaging Patient no HLA-B27 Edema (%) Cellular infiltration Microvessel density Edema detected by magnetic resonance imaging Zygapophyseal...

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Báo cáo y học: "Ultrasonography, magnetic resonance imaging, radiography, and clinical assessment of inflammatory and destructive changes in fingers and toes of patients with psoriatic arthritis" pot

Ngày tải lên : 09/08/2014, 10:21

... ST that was half of the acquired ST Projection radiography X-ray of hands and feet in a posterior-anterior projection was performed within a month of the US X-rays of both hands and feet (2nd–5th ... (6 of 16) and Wakefield and colleagues [16] in 1% (1 of 100) of the examined MCP joints Five of the erosion-like changes found in our study were located at the radial or ulnar side of the 2nd and ... Connell D: A comparison of magnetic resonance imaging, sonography, and radiography of the hand in patients with early rheumatoid arthritis J Rheumatol 2004, 31:663-675 Page 13 of 13 (page number not...

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