brain tumors apparent diffusion coefficient at magnetic resonance imaging
báo cáo khoa học: " Diagnosis of pericardial cysts using diffusion weighted magnetic resonance imaging: A case series" pot
Ngày tải lên :
10/08/2014, 23:20
... (Figure 1) Our patient underwent cardiac magnetic resonance imaging (CMR) for further assessment of this lesion DWI performed at b-values of 0s/mm2, 50s/mm , 400s/mm and 800s/mm demonstrated a steep ... non-invasive imaging modality that can differentiate pericardial cysts from other pericardial masses with similar appearances, but substantially different prognoses and treatments Differentiating exudate ... Gasparini A, Toniolli E, Montemezzi S: Diffusionweighted magnetic resonance imaging in focal breast lesions: analysis of 78 cases with pathological correlation Radiol Med 2010, 116:264-275 Raja...
- 4
- 456
- 0
Báo cáo y học: "Conventional and diffusion-weighted magnetic resonance imaging findings of benign fibromatous paratesticular tumor: a case report" pptx
Ngày tải lên :
11/08/2014, 00:23
... characterizing their nature [1,2,5-7] MR examination of the scrotum in our patient revealed the presence of a sharply-demarcated Conclusion MRI evaluation in our patient provided valuable information in the ... restriction in the diffusion of the water molecules in fibrotic lesions, as also proved in our patient [8,9] Patel et al reported a case of an adenomatoid tumor of the tunica albuginea evaluated by MRI ... doi:10.1186/1752-1947-5-169 Cite this article as: Tsili et al.: Conventional and diffusion- weighted magnetic resonance imaging findings of benign fibromatous paratesticular tumor: a case report Journal of Medical Case...
- 4
- 268
- 0
Báo cáo y học: "Clinical review: Prognostic value of magnetic resonance imaging in acute brain injury and coma" pot
Ngày tải lên :
13/08/2014, 08:20
... patients with TBI Diffusion tensor magnetic resonance imaging Diffusion tensor imaging (DTI), derived from DWI, measures the degree and direction of water diffusion (anisotropy) Water diffusion anisotropy ... injury Magnetic resonance imaging findings in specific critical neurological conditions Traumatic brain injury Conventional magnetic resonance imaging MRI was first used to investigate patients with ... [17] aTwenty patients with brainstem lesions were matched to 20 patients without brainstem lesions bAt last examination CI, confidence interval; DAI, diffuse axonal injury; DRS, disability rating...
- 12
- 368
- 0
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
... These patients are incapable of independent activities of daily living Using literature-based data, we have created a traumatic, comatose patient classification that implies specific patient ... investigation demonstrated that ICU complications are associated with prolonged cervical collar use in obtunded trauma patients with negative CS CT [18] The ICU complication rates for late collar ... Wardlaw JM, Rowat AM, Haisma JA, Lindley RI, Dennis MS: Magnetic resonance brain imaging in patients with acute stroke: feasibility and patient related difficulties J Neurol Neurosurg Psychiatry 2005,...
- 13
- 227
- 0
Báo cáo y học: "Diffusion-weighted magnetic resonance imaging for predicting the clinical outcome of comatose survivors after cardiac arrest: a cohort study" pptx
Ngày tải lên :
13/08/2014, 20:21
... quantitative assessment of the severity of brain damage by means of measuring the apparent diffusion coefficient (ADC) [9-12] The patterns and extent of brain injury seen in DWI are associated ... to the patients’ clinical data The brain injuries on DWI were categorised into four patterns on the basis of the injury region of the grey matter: normal, isolated cortical injury, isolated deep ... http://ccforum.com/content/14/1/R17 Page of 11 Figure Apparent diffusion coefficient map with colour shades (A), diffusion- weighted imaging (B) and T2-weighted image (C) from one representative patient at seven hours after cardiac...
- 11
- 267
- 0
Tài liệu Magnetic resonance imaging and gynecological devices doc
Ngày tải lên :
13/02/2014, 07:20
... data acquisition and treatment or the patient's own features [5] One of the most relevant patient-related artifacts is the so-called magnetic susceptibility artifact The magnetic susceptibility ... in the exam [6] The artifact created by a ferromagnetic object is larger than that originated by a nonferromagnetic object [7] — the stronger the ferromagnetic nature of the object, the more intense ... 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...
- 6
- 659
- 1
Tài liệu Functional Magnetic Resonance Imaging – Advanced Neuroimaging Applications Edited by Rakesh Sharma doc
Ngày tải lên :
19/02/2014, 23:20
... (1978) Patterns of retinal terminations and laminar organization of the lateral geniculate nucleus of primates., J Comp Neurol 22 20 Functional Magnetic Resonance Imaging – Advanced Neuroimaging ... destination by Functional Magnetic Resonance Imaging – Advanced Neuroimaging Applications Will-be-set-by-IN-TECH their concentration gradient These chemical signposts act like beacons that attract ... the relationship between the neuronal activation and blood flow changes Four contrast images are generated in two steps: (I) task-related activation at fMRI1; (II) task-related activation at fMRI2;...
- 224
- 399
- 0
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
... mutated to GATK), or AdTLRGDK (KKTK mutated to RGDK) (Figure 2A) At 48 hours, luciferase activity and protein concentration of organs and tumors (primary spleen tumors and metastatic liver tumors) ... in DE loop of fiber knob for CAR ablation -Fiber shaft’s KKTK domain mutated to GATK for HSPG ablation -Fiber shaft’s KKTK domain mutated to GATK for HSPG ablation AdTLYGR [27] [27] [21,27] -Y477A ... hepatic tumor volumes were followed by MRI thereafter (Figure 4A) By day 21, the growth rate of hepatic tumors was inhibited in all virus treated groups if compared to mock treated animals At...
- 11
- 715
- 0
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
... breathing MRI [4] With the application of ultrafast dynamic breath-hold (BH) MR imaging and multiplanar reformat technique, the lung volume, chest wall, and diaphragmatic motions between inspiration ... actual imaging The subjects were instructed to fully inspire/fully expire and then hold their breaths at either full inspiration or full expiration Scanning repeated three times for full inspiration ... and diaphragmatic motion between inspiration and expiration could now be accurately measured with high reproducibility in AIS patients Improvement of lateral chest wall and diaphragmatic motions...
- 7
- 410
- 0
Báo cáo hóa học: " Carbon-coated iron oxide nanoparticles as contrast agents in magnetic resonance imaging" potx
Ngày tải lên :
20/06/2014, 23:20
... agents in magnetic resonance imaging [MRI] [10-13] The carbon coating provides an effective oxidation barrier and prevents corrosion in magnetic core materials Hydrophilic carbon coating on iron ... modifications We evaluated these coated particles as potential spin-lattice relaxation process [T1] and spin-spin relaxation process [T2] contrast agent in MRI We studied the T1 and T2 relaxations ... peaks at 1,000 to approximately 1,400cm−1 are attributed to the C–OH stretching and O–H bending vibrations The band at 2,920 cm−1 resulted from the stretching vibrations of O–H To demonstrate the...
- 15
- 410
- 1
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
... photostat reproduction, copying, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage 12345 Moeller, Sectional Anatomy © ... therein or the contraindications stated by the manufacturers differ from the statements made in the present book Such examination is particularly important with drugs that are either rarely used ... III Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging Volume II Thorax, Heart, Abdomen, and Pelvis Torsten...
- 138
- 418
- 3
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
... Ascending aorta Right lung Right atrium Diaphragm Right ventricle Hepatic portal vein (right branch) Right hepatic vein 10 11 12 13 14 Liver (right lobe) Hepatic artery Hepatic portal vein Stomach (antrum) ... atrium Right lung Liver (right lobe) Hepatic veins Hepatic portal vein (left branch) Celiac trunk Hepatic portal vein Right hepatic veins Moeller, Sectional Anatomy © 2007 Thieme All rights reserved ... 48 49 50 51 52 (Numbers indicate liver segments) Right lung Diaphragm Costodiaphragmatic recess Hepatic veins Serratus anterior muscle Liver (right lobe) Right hepatic veins (right branch) Inferior...
- 116
- 362
- 0
MRI (Magnetic Resonance Imaging) pot
Ngày tải lên :
25/07/2014, 20:20
... tiểu phẫu não 2 Nguyên lý tạo ảnh Ở phương pháp chụp ảnh cộng hưởng từ hạt nhân MRI (Magnetic Resonnance Imaging) , người ta đưa thể bệnh nhân vào vùng có từ trường chiều mạnh, phổ biến dùng từ...
- 8
- 467
- 0
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
... rest was greater than the periods of sustained attention Table 2: Behaviour response data POC mean (SD) Circles: Sustained attention Dual attention Letters: Selective attention Dual attention Healthy ... Pratiwadi R, Ragland JD, Bilker WB, Siegel SJ, Kanes SJ, Arnold SE, Gur RC: Visual attention circuitry in schizophrenia investigated with oddball event-related functional magnetic resonance imaging ... Fleischhacker WW: Brain activation patterns during a selective attention test – a functional MRI study in healthy volunteers and unmedicated patients during an acute episode of schizophrenia Psychiatry Res...
- 13
- 580
- 0
Báo cáo y học: "Voxel-based structural magnetic resonance imaging (MRI) study of patients with early onset schizophrenia" potx
Ngày tải lên :
08/08/2014, 23:21
... difference (%) t p Value Whole brain (ml) Grey matter (ml) White matter (ml) CSF (ml) Grey matter/whole brain ratio White matter/whole brain ratio CSF/whole brain ratio 1,325.7 (106.4) 657.2 (60.4) ... before brain maturation, a wide range of disturbed neural circuits, including these brain regions that show no apparent morphological changes, may contribute to the formation of the symptomatology ... cluster x y z Grey matter: Positive symptom Negative correlation Bilateral posterior cingulate gyrus Negative symptom Positive correlation Right thalamus -55 20 256 -14 12 224 White matter: Positive...
- 11
- 381
- 0
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
... indicate that there is good integration between native and repair tissue Certainly histological examination demonstrates that the cartilage integrates fully with the underlying bone Lateral integration ... cm; matrix 256 × 192; number of excitations = 1; slab = 90 mm; partitions = 60 [i.e each slice = 1.5 mm]) A 3D dual excitation in the steady state sequence with fat saturation This demonstrates ... 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...
- 14
- 411
- 0
Báo cáo y học: "Can magnetic resonance imaging differentiate undifferentiated arthritis" ppsx
Ngày tải lên :
09/08/2014, 07:20
... patients with RA, eight patients with osteoarthritis, 11 patients with other inflammatory diseases and nine patients with arthralgias without inflammatory or degenerative origin Two years later, ... Banderali S, Silvestri E, Garlaschi G: Dynamic magnetic resonance imaging of the wrist in psoriatic arthritis reveals imaging patterns similar to those of rheumatoid arthritis Arthritis Res Ther 2005, ... M, Duer A, Møller U, Ejbjerg B: Magnetic resonance imaging of peripheral joints in rheumatic diseases Best Pract Res Clin Rheumatol 2004, 18:861-879 Jevtic V, Watt I, Rozman B, Kos-Golja M, Demsar...
- 3
- 317
- 0