nmr and magnetic resonance imaging mri in texture measurement
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 (T2 imaging sequence) of a zygapophyseal joint with bone marrow edema ... Negative correlation of bone marrow edema in histopathological assessment and magnetic resonance imaging (a) Magnetic resonance imaging of imaging zygapophyseal joints (cyan arrows) without detectable ... histopathological findings and magnetic resonance imaging + 20 + + - Th6–Th9 and zygapophyseal joints Th6–Th9 + 30 +++ + - - + 10 + + - - L, vertebra of the lumbar spine; Th, vertebra of the thoracic spine...
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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
... the CT and MRI findings described in this report suggest inclusion of this rare tumor in the differential diagnosis when such findings occur in the retroperitoneum Page of Consent Written informed ... Computed tomography and magnetic resonance imaging findings of soft tissue perineurioma Radiat Med 2008, 26:368-371 Rha SE, Byun JY, Jung SE, Chun HJ, Lee HG, Lee JM: Neurogenic tumors in the abdomen: ... article as: Yasumoto et al.: Soft-tissue perineurioma of the retroperitoneum in a 63-year-old man, computed tomography and magnetic resonance imaging findings: a case report Journal of Medical Case...
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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
... the CT and MRI findings described in this report suggest inclusion of this rare tumor in the differential diagnosis when such findings occur in the retroperitoneum Page of Consent Written informed ... Computed tomography and magnetic resonance imaging findings of soft tissue perineurioma Radiat Med 2008, 26:368-371 Rha SE, Byun JY, Jung SE, Chun HJ, Lee HG, Lee JM: Neurogenic tumors in the abdomen: ... article as: Yasumoto et al.: Soft-tissue perineurioma of the retroperitoneum in a 63-year-old man, computed tomography and magnetic resonance imaging findings: a case report Journal of Medical Case...
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Báo cáo y học: " Change in CD3 positive T-cell expression in psoriatic arthritis synovium correlates with change in DAS28 and magnetic resonance imaging synovitis scores following initiation of biologic therapy-a single centre, open-label study" doc
... Dreimann M, Hempfing A, Stein H, Metz-Stavenhagen P, Rudwaleit M, Sieper J: Correlation of histopathological findings and magnetic resonance imaging in the spine of patients with ankylosing spondylitis ... manually per image, such that staining could be quantified in two areas - the intimal lining (ll) and synovial sublining (sl) layers Analysis was performed using the Qwin analysis system (Leica, Cambridge, ... assessed mostly hand joints as opposed to exclusively knees and used quantitative analysis Correlations of MRI findings and histopathology in inflammatory arthritis are emerging in the literature...
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The application of electromagnetic theory in microwave therapy and magnetic resonance imaging
... 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) In the ... with body imaging without increase in the scanning time by simultaneously acquiring and subsequently combining data from a multitude of closely positioned receiving surface coils [47] In this thesis, ... 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...
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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
... Medicine is an everchanging science undergoing continual development Research and clinical experience are continually expanding our knowledge, in particular our knowledge of proper treatment and ... constantly evolving Imaging diagnosis is no exception Technical improvements guarantee further developments in diagnosis Computed tomography (CT) and magnetic resonance imaging (MRI) have attained a recognized ... 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...
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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
... hepatic vein Left branch of portal vein Right branch of portal vein Left hepatic vein Intermediate hepatic vein Splenic vein Portal vein Superior mesenteric vein Jejunal and ileal veins Moeller, ... abdominis muscle Internal abdominal oblique muscle Right ovary Inferior epigastric artery and vein Uterus Ileum Sigmoid colon (distal part) Rectus abdominis muscle External iliac artery and vein ... Left gastroepiploic artery and vein External abdominal oblique muscle Internal abdominal oblique muscle Transversus abdominis muscle Jejunal and ileal arteries Descending colon Iliac crest Iliacus...
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Báo cáo y học: "Voxel-based structural magnetic resonance imaging (MRI) study of patients with early onset schizophrenia" potx
... Progressive brain volume changes and the clinical course of schizophrenia in men: a longitudinal magnetic resonance imaging study Arch Gen Psychiatry 2001, 58:148-157 Paillere-Martinot M, Caclin A, Artiges ... the severity of negative symptoms and the increased GM volume in the right thalamus The findings of a GM volume reduction and CSF increase in individuals with EOS in this study are compatible with ... competing interests 14 Authors' 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...
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Báo cáo y học: "Functional magnetic resonance imaging findings in fibromyalgia" potx
... centralized pain augmentation in FM and identified brain regions that may be involved in this augmentation Advances in design and new imaging technologies promise to further increase our understanding ... These findings suggest that pain catastrophizing exerts influence on pain processing that is independent of the influence of depression and supports the hypothesis that catastrophizing influences ... neural activity in a network of brain structures implicated in pain processing (Figure 1) These increases were observed in structures involved in sensory discriminative processing (contralateral...
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báo cáo khoa học: " N-hexanoyl chitosan stabilized magnetic nanoparticles: Implication for cellular labeling and magnetic resonance imaging" pps
... Briefly, RAW cells suspensions containing × 104 cell/well in DMEM containing 10% FBS were distributed in a 96well plates, and incubated in a humidified atmosphere containing 5% CO2 at 37°C for 24 h [12,13] ... http://www.jnanobiotechnology.com/content/6/1/1 MRI: Magnetic resonance imaging; IOPs: Iron oxide nanoparticles) Competing interests The author(s) declare that they have no competing interests Authors' contributions ... which means an increase in granularity with increasing MC-IOPs concentration This finding is important because we suspect the phagocytosed MC-IOPs became endosomes and thereby increased the granularity...
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Báo cáo y học: "Magnetic resonance imaging findings in bipartite medial cuneiform – a potential pitfall in diagnosis of midfoot injuries: a case series" pot
... performed (Figure 4) Following the MRI, the patient was advised to stop weight bearing, which resulted in a resolution of his symptoms No further MR imaging follow-up was obtained in this case Case 4: ... http://www.jmedicalcasereports.com/content/2/1/272 non-weight bearing cast for weeks was suggested The patient continued to bear weight and experience pain, then sought a second opinion, at which time an MRI examination of the ankle was ... patient had no symptoms in the region of the medial midfoot He was prescribed partial weight bearing, bracing and physical therapy, with partial relief and had no imaging follow-up Case 2: Bipartite...
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Formulation of superparamagnetic iron oxides by nanoparticles of biodegradable polymer for magnetic resonance imaging (MRI)
... incomplete pairing and the net spin is ½ All such nuclei experience NMR, but in clinical MRI the hydrogen nucleus, comprising of a single proton, is used because of its high NMR sensitivity and ... Introduction to MRI MRI is an imaging technique that generates images of the body using nuclear magnetic resonance (NMR) When a patient is placed into the cylindrical magnet, a magnetic steady ... to obtain the R2 (=1/T2) and R2* (=1/T2*) relaxation rates, respectively The spins are refocused to compensate for local magnetic field inhomogeneities in T2 imaging, but not in T2* imaging This...
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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
... significant increase in baseline value on both right and left lung at either carina level or apical vertebral level during both inspiration and expiration When the difference between inspiration and ... lungs and summing crossMeasurement ofof delineating the a semi-automated compuMeasurement of lung volumes by a semi-automated computerized method of delineating the lungs and summing crosssectional ... dynamic breath-hold MR imaging have been obtained from all the subjects and their parents MRI assessment Pre operative MRI examination of the chest was performed in all subjects within two weeks before...
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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
... treatment Magnetic resonance imaging (MRI) is an imaging modality that may shorten the delay between the start of symptoms and a classifying diagnosis of AS or SpA since MRI can detect inflammation ... to the inflammatory and structural findings Readers agreed on the presence of inflammation at any site in 85% of the cases in the right SI joint, and in 78% of the cases in the left SI joint Kappa ... Magnetic resonance imaging A MRI examination of the SI joints was performed using a 1.5 Tesla Philips Gyro scan ACS-NT (Philps, Best, The Netherlands) Patients were scanned in a supine position using...
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Báo cáo y học: "proximal interphalangeal joints in rheumatoid arthritis: a comparison with magnetic resonance imaging, conventional radiography and clinical examination" pdf
... for the MRI finding of erosions in the finger joints is that Table Signs of inflammation on ultrasonography versus clinical joint assessment in finger joints Signs of inflammation US + clinical ... assessment of RA and healthy finger joints, with MRI as the reference method It showed high agreement between ultrasonography and MRI in assessing RA bone erosions in finger joints Using MRI as the ... joints – a difference of 75%) MRI did not detect joint effusion in any of the examined finger joints, whereas ultrasonography revealed joint effusion in 22 out of the 433 examined finger joints...
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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
... 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 ... standard reference method in order to determine the sensitivity, specificity and accuracy of MRI, US and radiography in detecting bone erosions in RA MCP joints Materials and methods Patients and ... participated in study development JM was involved in the MRI scanning protocol and performed all MRI examinations HT participated in study development and gave substantial input to the data evaluation and...
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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
... in knee [4-6] and hip [7] OA The overarching aim of this investigation was to conduct a study within an existing longitudinal dataset of knee OA with serial knee magnetic resonance imaging (MRI) ... radiograph using the method of Chaisson and colleagues [11] and Buckland-Wright [12] Blood and urine (second morning void) specimens were also obtained at baseline Specimens were aliquoted and immediately ... collapsed to 0, the original scores of and were collapsed to 1, and the original scores of 4, 5, and were considered 2, 3, and 4, respectively Cartilage loss was defined as an increase in the score at...
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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
... 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 ... detection of inflammatory and destructive changes in finger and toe joints, tendons, and entheses in patients with PsA by comparison with MRI, x-ray, and clinical findings Materials and methods ... findings that were not revealed by US included erosions in MCP joints (PsA), 13 PIP joints (10 PsA and RA), and DIP joints (PsA) and proliferations in DIP joints (PsA) In the 2nd–4th MTP joints,...
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Báo cáo y học: "Detection of bone erosions in rheumatoid arthritis wrist joints with magnetic resonance imaging, computed tomography and radiography" ppt
... Computerized measurement of magnetic resonance imaging erosion volumes in patients with rheumatoid arthritis: a comparison with existing magnetic resonance imaging scoring systems and standard clinical ... of magnetic resonance images, and was involved in patient recruitment MH was involved in the CT scanning protocol EN performed the evaluation of radiographs JM was involved in the MRI scanning ... detectable difference and sensitivity to change of magnetic resonance imaging and radiographic scoring of structural joint damage in rheumatoid arthritis finger, wrist, and toe joints: a comparison...
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