ct and magnetic resonance imaging mri

... 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

... 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

... 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

... edema in histopathological assessment and magnetic resonance imaging (a) Magnetic resonance imaging of imaging zygapophyseal joints (cyan arrows) without detectable bone marrow edema (asterisk, ... correlation of 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 ... 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

... size of IOPs with and without MC was 10 and 40 nm, respectively (Figure 4a, b and table 1) Figure 4c shows the selected area diffraction (SAD) pattern of MC-IOPs, which is in exact/or in good agreement ... regions, the spectra of IOPs have weak bands The spectrum is consistent with magnetic (Fe3O4) and the signals associated to the magnetite appear as broad features at 408.9, 571.5 and 584.5 cm-1 ... material of interest and demonstrated its biomedical application like cellular labeling, and MRI using mouse macrophages cell line (RAW cells) Results and discussion Synthesis and characterization of...

Ngày tải lên: 11/08/2014, 00:22

... mistaken for cysts on plain CT Conclusion Although the definitive diagnosis of soft-tissue perineurioma requires biopsy and immunohistochemical reactivity evaluation, the CT and MRI findings described ... soft tissue, intramural, sclerosing, and reticular Soft-tissue perineuriomas are the most common subtype and show distinctive morphologic, ultrastructual, and immunophenotypic features that distinguish ... that distinguish them from the much more common nerve sheath tumors, schwannomas, and Figure Magnetic resonance imaging results (a) Axial T2-weighted MR image shows that the mass has almost homogeneous...

Ngày tải lên: 11/08/2014, 03:21

... mistaken for cysts on plain CT Conclusion Although the definitive diagnosis of soft-tissue perineurioma requires biopsy and immunohistochemical reactivity evaluation, the CT and MRI findings described ... soft tissue, intramural, sclerosing, and reticular Soft-tissue perineuriomas are the most common subtype and show distinctive morphologic, ultrastructual, and immunophenotypic features that distinguish ... that distinguish them from the much more common nerve sheath tumors, schwannomas, and Figure Magnetic resonance imaging results (a) Axial T2-weighted MR image shows that the mass has almost homogeneous...

Ngày tải lên: 11/08/2014, 07:20

... moderate responder (Patient 1) and non-responder (Patient 2) A and B are baseline and Week 12 images of Patient 1, and C and D are baseline and Week 12 images of Patient respectively Over the last 15 ... spondyloarthropathies: T cells and macrophages predominate in early and active sacroiliitiscellularity correlates with the degree of enhancement detected by magnetic resonance imaging Ann Rheum Dis 2000, ... at Week and Week 12 (3 (1 to 6) and (0 to 4) respectively, median (range), P = 0.00), and not between the non-responders (n = 7, anakinra, etanercept), (2 (2 to 3) and (2 to 4) respectively,...

Ngày tải lên: 12/08/2014, 15:22

... of electromagnetic theory in two aspects: characterizing the microwave thermal effect in cancer therapy and solving the low signalto-noise ratio (SNR) issue in magnetic resonance imaging (MRI) ... 114 xiii Chapter Introduction This thesis deals with the application of electromagnetic theory in two aspects: microwave cancer therapy and magnetic resonance imaging (MRI) In this chapter, the ... simulation results that the heating effect can be adjusted by the direction of incident wave and the needle insertion direction, and the best heating and focusing effect in tumor region is obtained Then...

Ngày tải lên: 09/09/2015, 10:20

... 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 ... 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...

Ngày tải lên: 06/10/2015, 21:15

... 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

... 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

... 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

... 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 ... objective and scientific study [7] or after the completion of randomised trials [5] that informed judgements on the effectiveness of ACI can be made In addition, establishing objective, standarised...

Ngày tải lên: 09/08/2014, 01:21

... 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

... 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 ... were collected at baseline, month 6, 12 and 24 (exit) The samples were taken between hours and 21 hours and not necessarily collected at the same time of the day for each patient Inter- and intravariability ... 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

... 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 ... (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 ... joint; the dorsal and palmar aspects of the third and fourth MCP joints; the dorsal, ulnar and palmar aspects the fifth MCP joint; and the dorsal, palmar, radial and ulnar aspects of all PIP joints...

Ngày tải lên: 09/08/2014, 07:20

... on CT and radiography CT, computed tomography; MCP, metacarpophalangeal; MRI, magnetic resonance imaging; RA, rheumatoid arthritis; US, ultrasonography early disease [9-11,13,14] Furthermore, MRI ... resolution, and CT can be considered a standard reference for detecting destructions of calcified tissue, such as bone erosions in RA [12,26] By using multidetector CT with multiplanar reconstruction, ... 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

... 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

... 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