... contributions YY, GS, and TT designed the study YY and TT contributed to recruitment of study subjects and MRI data collection HM and TT were involved in clinical evaluation of the participants and procedures ... onset under age 18 [4-6] Using magnetic resonance imaging (MRI) , some research groups have reported enlargement of the lateral ventricles [7,8], and regional volume reduction in the superior temporal ... the MRI data acquisition JS provided assistance of the MRI data collection and performed data analyses KNi, HI, KJT, KT, KS, HS, KNa and NM participated in the stage of designing the study and...
Ngày tải lên: 08/08/2014, 23:21
... ultrasonography (US) and magnetic resonance imaging (MRI) appear promising MRI can detect inflammation and bone destruction in joints earlier than projection radiography (x-ray) in PsA, RA, and spondyloarthritis ... Observations by ultrasonography, MRI, and x-ray in the MRI- examined hand The observations by US, MRI, and x-ray in the MRI- examined hand are listed in Table Both US and MRI were more sensi- Page of ... data evaluation and manuscript preparation MH was involved in the MRI scanning protocol and evaluated MRI images JMM was involved in the MRI scanning protocol and performed all MRI examinations...
Ngày tải lên: 09/08/2014, 10:21
Formulation of superparamagnetic iron oxides by nanoparticles of biodegradable polymer for magnetic resonance imaging (MRI)
... added In addition, surfactants such as polysorbate are also used 12 2.2 Introduction to MRI MRI is an imaging technique that generates images of the body using nuclear magnetic resonance (NMR) When ... are known as spin–lattice and spin–spin relaxation, and are characterized by the relaxation times T1 and T2, respectively The MRI signal is thus the product of interaction between the total water ... diameter, and Endorem®, magnetite particles with a 150 nm diameter They are used for gastro-intestinal tract imaging and for liver and spleen disease detection, respectively The USPIOs can act as...
Ngày tải lên: 06/10/2015, 21:15
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
... 55 and 16 quadrants had erosions on CT, MRI, US and radiography, respectively Of the quadrants with erosions on MRI, US and radiography, 53, 33 and 15, respectively, could be confirmed by CT ... studies of CT, MRI, US and radiography in evaluating erosive bone changes in RA MCP joints have been reported Although one study compared CT and MRI with respect to their ability to evaluate bone erosions ... erosions detected using MRI and US represent bone loss, including cortical destruction, and therefore are true erosive changes In this cross-sectional methodological study, we used CT as the standard...
Ngày tải lên: 09/08/2014, 08:22
Báo cáo y học: "Detection of bone erosions in rheumatoid arthritis wrist joints with magnetic resonance imaging, computed tomography and radiography" ppt
... in 151 bones were detected with CT, while 119 erosions in 104 bones were detected on MRI, and 43 erosions in 38 bones were detected with radiography With CT as the reference method for bone erosions, ... specificities and accuracies for bone erosions of radiography and magnetic resonance imaging (MRI) , with computed tomography (CT) as reference Bones with erosions (number of erosions) Radiography MRI MRI ... detected on CT, as compared with MRI and radiography, indicate that CT is a very sensitive method for detecting bone erosions in RA wrist bones, and possibly even more sensitive than MRI CT may...
Ngày tải lên: 09/08/2014, 10:23
báo cáo khoa học: "Optimized labeling of bone marrow mesenchymal cells with superparamagnetic iron oxide nanoparticles and in vivo visualization by magnetic resonance imaging" ppsx
... Detection of Feridex-labeled MSCs by in vivo and in vitro MRI (A-C“”) Cells labeled with FeProt complexes for or 24 hrs and injected in right or left leg muscles, respectively, were detected ... design, collection and assembly of data, performed the statistical analysis, interpretation and drafted the manuscript ALMT, HMPN and JAP assisted with collection and assembly of data and performed ... [11-13] Magnetic resonance imaging (MRI) is an excellent tool for high-resolution visualization of the fate of cells after transplantation and for evaluation of cell-based repair, replacement, and...
Ngày tải lên: 11/08/2014, 00:22
Tài liệu Magnetic resonance imaging and gynecological devices doc
... 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 ... keywords: Magnetic Resonance Imaging, Intrauterine Devices, Implanon® and Essure® This article presents the review of data published between 1985 and 2010 on the application of magnetic resonance ... nonferromagnetic object [7] — the stronger the ferromagnetic nature of the object, the more intense the registered signal will be Technically speaking, magnetic susceptibility artifacts are more...
Ngày tải lên: 13/02/2014, 07:20
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
... position All subjects were given clear instruction by experienced radiographers and practice took place before actual imaging The subjects were instructed to fully inspire/fully expire and then hold ... operation Ethical approval and informed consent for dynamic breath-hold MR imaging have been obtained from all the subjects and their parents MRI assessment Pre operative MRI examination of the chest ... effect of surgical correction on lung function Many authors have written that scoliosis correction definitely improves measured pulmonary functions [7], such as vital capacity Others disagree and...
Ngày tải lên: 20/06/2014, 01:20
Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 1 ) pptx
... Thieme All 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 ... reserved Usage subject to terms and conditions of license V Dedicated to our parents, Alfred and Friedel Möller and Emil and Edith Reif, in love and gratitude Moeller, Sectional Anatomy © 2007 ... improvements guarantee further developments in diagnosis Computed tomography (CT) and magnetic resonance imaging (MRI) have attained a recognized value in the diagnosis of the heart, which is...
Ngày tải lên: 29/06/2014, 09:21
Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 2 ) doc
... Duodenum Left hepatic duct Common hepatic duct Pancreatic duct Common bile duct Duodenal papilla Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of ... rectal artery Rectum Superior phrenic lymph nodes Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions of license 162 Renal Artery Moeller, Sectional ... Usage subject to terms and conditions of license 172 MRI of the Female Pelvis 27 28 29 30 31 32 33 Moeller, Sectional Anatomy © 2007 Thieme All rights reserved Usage subject to terms and conditions...
Ngày tải lên: 29/06/2014, 09:21
MRI (Magnetic Resonance Imaging) pot
... trị So sánh MRI với CT Chụp cắt lớp điện toán (CT Scan) sử dụng tia X hệ thống detector thu thập tín hiệu khác điểm thể sau tái tạo lại hình ảnh theo lát cắt Chụp cộng hưởng từ (MRI) sử dụng ... hoà nhịp tim kiểm tra MRI MRI có trường từ tính mạnh Ngày nay, MRI sử dụng để kiểm tra gần quan thể Kỹ thuật đặc biệt có giá trị việc chụp ảnh chi tiết não dây cột sống Kể từ MRI mang lại hình ảnh ... chẩn đoán CT sử dụng tia X nên có tác hại thể bị nhiễm tia, giá rẻ MRI MRI sử dụng từ trường, hoàn toàn không tổn hại thể giá mắc Ứng dụng Việt Nam Ngày 14/7/1996, Medic khánh thành máy MRI Việt...
Ngày tải lên: 25/07/2014, 20:20
Báo cáo y học: "Autologous chondrocyte implantation for cartilage repair: monitoring its success by magnetic resonance imaging and histology" ppt
... O’Driscoll; 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 ... Sections were viewed R61 Arthritis Research and Therapy Vol No Roberts et al Table Details of individuals from whom biopsy specimens were obtained and their histology and MRI scores Patient and ... of the junctional zone (B, underlying bone) and (e) the same section viewed with polarised light Full integration can be seen across this zone in sections immunostained for (f) type I and (g) type...
Ngày tải lên: 09/08/2014, 01:21
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
... between two observers with respect to magnetic resonance imaging (MRI) characteristics per site per sacroiliac joint in 68 patients with inflammatory low back pain MRI characteristic per site Sacroiliac ... sacroiliitis on MRI to be used in clinical studies and trials will be subject of interest in an ongoing ASAS-OMERACT working group [13] Conclusion 10 MRI can reliably detect inflammation and structural ... symptoms and the diagnosis of AS is reported [3,4] Such a delay is increasingly unwarranted because of the availability of effective treatment Magnetic resonance imaging (MRI) is an imaging modality...
Ngày tải lên: 09/08/2014, 07:20
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
... least 24 months and a cohort of several thousands is necessary to establish the effect of pharmacological interventions on OA disease progression Magnetic resonance imaging (MRI) allows for the ... condyle and tibial compartment: summation of medial and lateral tibial plateau), respectively Meniscal damage and bone edema The meniscal and bone evaluation was performed using the same sequences ... subtraction and fatsuppressed MR imaging: optimization and validation Radiology 1994, 192:485-491 Cicuttini F, Forbes A, Asbeutah A, Morris K, Stuckey S: Comparison and reproducibility of fast and...
Ngày tải lên: 09/08/2014, 07:20
Báo cáo y học: "proximal interphalangeal joints in rheumatoid arthritis: a comparison with magnetic resonance imaging, conventional radiography and clinical examination" pdf
... T1-weighted magnetic resonance images were obtained (b) before and (c) after contrast administration (grade synovitis) MRI, magnetic resonance imaging; RA, rheumatoid arthritis second destruction and ... methods Bone erosions on MRI No bone erosions on MRI and CR Grade (n = 16) 14 Grade (n = 55) 32 17 20 Grade (n = 26) US grades Bone erosions on CR 18 18 CR, conventional radiography; MRI, magnetic resonance ... (first column for US and first row for MRI) Numbers in bold denote exact agreements between respective identical scores MRI, magnetic resonance imaging; US, ultrasonography MRI did not permit visualization...
Ngày tải lên: 09/08/2014, 07:20
Báo cáo y học: "Correlation of histopathological findings and magnetic resonance imaging in the spine of patients with ankylosing spondylitis" potx
... correlation of bone marrow edema in histopathological assessment and magnetic resonance imaging (a) Magnetic resonance imaging of imaging zygapophyseal joints (cyan arrows) without detectable bone marrow ... edema in histopathological assessment and magnetic resonance imaging (a) Magnetic resonance imaging (T2 imaging sequence) of a zygapophyseal joint with bone marrow edema (cyan arrow) (asterisk, ... histopathological findings and magnetic resonance imaging Patient no HLA-B27 Edema (%) Cellular infiltration Microvessel density Edema detected by magnetic resonance imaging Zygapophyseal joints...
Ngày tải lên: 09/08/2014, 08:22
Báo cáo y học: "The association between patellar alignment on magnetic resonance imaging and radiographic manifestations of knee osteoarthritis" ppsx
... by magnetic resonance imaging (MRI) [19-21] Muellner and colleagues [19] performed measurements analogous to those used in Xray evaluation with MRI images obtained with knees flexed to 20° and ... Reliability of MRI readings First, we (LK and DH) read a batch of MRIs and decided on an exact protocol of evaluation of patellar alignment Using this protocol, 10 MRIs were read and re-read by ... femoral sulcus and through the patella, and measured the distance between the lateral border of the patella and this vertical line (a) and between the medial border of the patella and this vertical...
Ngày tải lên: 09/08/2014, 10:20
Báo cáo y học: "Cartilage markers and their association with cartilage loss on magnetic resonance imaging in knee osteoarthritis: the Boston Osteoarthritis Knee Study" doc
... excitation, and the same FOV and matrix Cartilage on MRI was scored paired and unblinded to sequence on 14 plates (anterior, central, and posterior femur; anterior, central, and posterior tibia; and ... conducted in the laboratory of author DE The Col2CTx ratio was Col2CTx/urinary creatinine The intra-assay and interassay coefficients of variation for the CTx-II/Cr assay were 6% and 13%, respectively ... measures of standardized cartilage biomarkers and prediction of subsequent cartilage loss on magnetic resonance imaging Unadjusted OR (95% CI) R2 AUC P value Adjusted ORa (95% CI) CTX/CPII 0.72...
Ngày tải lên: 09/08/2014, 10:21