Diffusion nuclear magnetic resonance imaging diffusion magnetic resonance imaging. Medical search. Frequent questions

However, with MRI, this interval has been greatly reduced.Computed tomography (CT) scanning and magnetic resonance imaging (MRI) are complementary techniques for imaging oligodendrogliomas. (medscape.com)
In our project NARVIS we integrate an HMD-based (head mounted display) AR system into the operation room for 3D in situ visualization of computed tomography (CT) images. (tum.de)
Erin D. Bigler has researched Magnetic resonance imaging in several fields, including Nuclear medicine, Computed tomography and Pathology. (research.com)
The concepts of his Magnetic resonance imaging study are interwoven with issues in Computed tomography, Audiology and Autism spectrum disorder. (research.com)
In theory, magnetic resonance imaging is more beneficial than computed tomography for prostate cancer restaging because it provides higher soft-tissue contrast. (medscape.com)
Main international guidelines recommend computed tomography (CT) and/or magnetic resonance imaging (MRI) as the principal imaging modalities for the diagnosis of intrahepatic cholangiocarcinoma. (medscape.com)
Computed tomography (CT) and magnetic resonance imaging (MRI) remain the primary imaging tools. (medscape.com)

In addition, the conference covers various topics in other Magnetic Resonance techniques, such as Magnetic Resonance Imaging, Multinuclear Magnetic Resonance, Electronic Paramagnetic Resonance, Double Resonance Electron Nucleus, Nuclear Quadrupole Resonance, and Mössbauer spectroscopy. (galoa.com.br)
The concepts of his Pathology study are interwoven with issues in Stroke, Internal capsule, Nuclear magnetic resonance spectroscopy and Cytokine. (research.com)
Gas phase products are identified and/or quantified by gas chromatography (GC), mass spectrometry (MS), or Fourier transform infrared spectroscopy (FTIR), liquid phase products by nuclear magnetic resonance (NMR) and liquid chromatography (LC). (empa.ch)
Her clinical experience is focused on male and female pelvic MRI, including the prostate, uterus, cervix and rectum, liver imaging, functional MRI including dynamic contrast enhanced (DCE) - MRI, DWI and spectroscopy (MRS). She has extensive clinical experience on prostate MRI parallels with building up a highly successful prostate imaging program at MD Anderson Cancer Center. (mdanderson.org)
Articles, abstracts, and book chapters citing Globals Software (Globals Unlimited, Globals for Spectroscopy, and Globals for Images aka SimFCS) by authors not affiliated with the Laboratory for Fluorescence Dynamics (LFD). (uci.edu)
Applications include Nuclear Magnetic Resonance Spectroscopy (NMR) and Magnetic Resonance Imaging (MRI). (quantum-technology.com)

The most frequent finding with angiography is a vascular void (see the image below). (medscape.com)
Magnetic resonance angiography (MRA) is used to image arteries with good diagnostic accuracy and is less invasive than conventional angiography. (msdmanuals.com)

In this latter situation, the self-diffusion coefficient of water reduces according to the geometry and surface properties of the pore and to the concentration of suspended biomolecules or nanoparticles in the pore, as extensively demonstrated in a previous study. (springer.com)
Using molecular dynamics and previous results from the literature, we demonstrate the correlation between the self-diffusion coefficient of water in silica nanopores and the concentration of proteins or nanoparticles contained therein. (springer.com)
His Diffusion MRI research includes themes of Effective diffusion coefficient, Endocrinology, Duchenne muscular dystrophy and Audiology. (research.com)
Helium is the smallest atom and has a high diffusion coefficient, making it ideal for testing for leaks. (quantum-technology.com)
MRI diffusion studies have been shown to help differentiate Wilms tumor from neuroblastoma, with the apparent diffusion coefficient (ADC) being substantially higher for Wilms tumor. (medscape.com)
They typically show restriction diffusion on apparent diffusion coefficient (ADC) maps that are consistent with high cellularity (see the image below). (medscape.com)
Predictive Role of the Apparent Diffusion Coefficient and MRI Morphologic Features on IDH Status in Patients With Diffuse Glioma: A Retrospective Cross-Sectional Study. (cdc.gov)

By fitting a tensor model to quantify the directionality of water diffusion a Diffusion Tensor Image (DTI) can be derived and scalar measures, such as fractional anisotropy (FA), can then be estimated from the DTI to summarise quantitative microstructural information for clinical studies. (frontiersin.org)
Each set of images at different gradient directions can be summarised using a Diffusion Tensor Imaging (DTI) model to uncover microstructural information by describing water's directionality and its corresponding quantitative anisotropy ( 2 ). (frontiersin.org)
For the purpose of individual and group-wise analysis ( 3 ), several diffusion scalar measures can be further derived to better reveal the properties of that tensor. (frontiersin.org)
In this paper, we briefly describe the tensor theory used to characterize molecular diffusion in white matter and how the tensor elements are measured experimentally using diffusion-sensitive MR imaging. (ajronline.org)
We then review techniques for acquiring relatively high-resolution diffusion-sensitive MR images and computer-based algorithms that allow the generation of white matter fiber tract maps from the tensor data. (ajronline.org)
Cardiovascular magnetic resonance (CMR) can through the two methods 3D FLASH and diffusion tensor imaging (DTI) give complementary information on the local orientations of cardiomyocytes and their laminar arrays. (biomedcentral.com)
Diffusion tensor imaging of acute mild traumatic brain injury in adolescents. (research.com)
Newer imaging technique involving diffusion tensor imaging reveals damage to corticospinal tracts in patients with arginase deficiency. (medscape.com)
Longitudinal diffusion tensor imaging resembles patterns of pathology progression in behavioral variant frontotemporal dementia (bvFTD). (mpg.de)

Homos, M. D., M. T. Ali, M. F. Osman, and D. M. Nabil, ' DTI metrics reflecting microstructural changes of normal appearing deep grey matter in multiple sclerosis ', The Egyptian Journal of Radiology and Nuclear Medicine , vol. 48, pp. 1005-1008, Submitted. (cu.edu.eg)
Integrative diagnostics: the time is now-a report from the International Society for Strategic Studies in Radiology Insights Imaging. (usc.edu)
Preparing and Promoting Women for Leadership Positions in Radiology and the Imaging Industry J Comput Assist Tomogr. (usc.edu)

Augmented reality techniques can be applied to superimpose pre-operative imaging data from modalities such as CT, MRI, or US onto the endoscopic video images to compensate for these limitations. (tum.de)
XRI research is focused on new preclinical imaging modalities to improve image contrast through dark-field and phase-contrast imaging using synchrotron radiation (in collaboration with MAX IV) and an in-house micro-focus x-ray tube. (lu.se)

The concept relies on the different diffusion behavior that water molecules exhibit in bulk and nanoconfined conditions, e.g., in nanopores. (springer.com)
The diffusion Magnetic Resonance Imaging (dMRI) is sensitive to random movements of nuclear spins carried by particles such as water molecules. (univr.it)
Random motion of water molecules (diffusion) in the presence of a strong magnetic gradient results in MR signal loss as a result of the dephasing of spin coherence ( Fig. 1 ). (ajronline.org)
The application of a pair of strong gradients to elicit differences in the diffusivity of water molecules among various biologic tissues is known as diffusion sensitization or diffusion weighting [ 22 , 23 ]. (ajronline.org)
Diagram shows loss of intensity of MR signal (S, solid line ) resulting from inefficient rephasing of dephased spins because of displacement of water molecules (diffusion) between application of bipolar gradients ( G ). With decreased diffusion (reduced displacement of water molecules), rephasing process is more efficient and signal loss is predominantly caused by T2 decay ( dotted line ). (ajronline.org)
The NMR Center provides access to equipment for high resolution and solid state Nuclear Magnetic Resonance (NMR), as well as imaging, for studies on several topics, ranging from material science, diffusion, studies of small organic or inorganic molecules, to advanced studies of biomolecular structure and dynamics. (lu.se)
The researchers were able to successfully analyze the diffusion of water molecules within the microstructure. (munich-quantum-center.de)
The ability of NMR and MRI techniques to directly detect the mobility of atoms and molecules makes them absolutely unique compared to other imaging methods,' says Prof. Maxim Zaitsev of the University of Freiburg. (munich-quantum-center.de)
Le Bihan studied NMR imaging intensively and suggested that diffusional movements of water and other molecules inside the body could be used to visualize microscopic structure and function of the organs and tissues being observed with MRI. (comunidades.net)
Magnetic resonance imaging (MRI) is based on the principles of nuclear magnetic resonance (NMR), which is a technique used to acquire chemical, physical, and microscopic information about molecules. (comunidades.net)
The principles and measurement techniques underlying Diffusion MRI are rooted in the classic formula proposed for Nuclear Magnetic Resonance (NMR) by E. An NMR technique tracks the diffusion of water molecules to obtain micron-scale structural information about a porous material. (comunidades.net)
The aim of the course is to enable students to acquire basic knowledge of how information about the structure and dynamics of molecules can be obtained through common magnetic resonance methods. (lu.se)

Rather, survival seems to be primarily correlated with the histologic features, clinical findings (age at onset, epilepsy vs deficit), and radiologic criteria (especially contrast enhancement and perfusion-weighted imaging). (medscape.com)
MRI research includes new measurement techniques and post-processing tools in functional and quantitative MRI (e.g., perfusion, diffusion and chemical exchange saturation transfer). (lu.se)
His research integrates issues of Nuclear medicine, Anatomy, Perfusion, Nuclear magnetic resonance and Biomedical engineering in his study of Magnetic resonance imaging. (research.com)
Fully automated analysis combining [F]-FET-PET and multiparametric MRI including DSC perfusion and APTw imaging: a promising tool for objective evaluation of glioma progression. (cdc.gov)

Thus, the b value (diffusion sensitization) can be increased by using stronger ( G ) and longer (δ) pulsed gradients or by lengthening the time between the pulsed gradients (Δ). (ajronline.org)
Degree of diffusion sensitization (b value) is determined by duration (δ) and strength (height) of sensitizing pulsed-gradients ( G ), and time interval between two pulsed gradients (Δ). (ajronline.org)
Adding diffusion-sensitizing gradients to an imaging sequence (spatial encoding) constitutes the basis for diffusion-weighted MR imaging. (ajronline.org)
Eight explanted rat hearts were perfused with Gd-DTPA contrast agent and fixative and imaged in a 9.4T magnet by two types of acquisition: 3D fast low angle shot (FLASH) imaging, voxels 50 × 50 × 50 μm, and 3D spin echo DTI with monopolar diffusion gradients of 3.6 ms duration at 11.5 ms separation, voxels 200 × 200 × 200 μm. (biomedcentral.com)

Advances in the application of magnetic resonance elastography in the diagnosis and treatment of hepatocellular carcinoma[J]. Chin J Magn Reson Imaging, 2022, 13(12): 150-153, 158. (med-sci.cn)
Magnetic resonance elastography in intracranial neoplasms: a scoping review[J]. Top Magn Reson Imaging, 2022, 31(1): 9-22. (med-sci.cn)

We review recent efforts to detect small numbers of nuclear spins using magnetic resonance force microscopy. (comunidades.net)
He has published around 220 articles in scientific journals, as well as Principles of Nuclear Magnetic Resonance Microscopy (Oxford University Press, 1994). (comunidades.net)
b) Scanning electron microscopy image of an electrodeposited copper catalyst for CO 2 reduction. (empa.ch)
4th International Conference on Magnetic Resonance Microscopy, Albuquerque, NM (US), 09/21/1998--09/25/1998. (psu.edu)

A brain MR imaging with gadolinium is recommended for the diagnosis of MS. (medscape.com)
A follow-up brain MR imaging with gadolinium is recommended to demonstrate dissemination in time and ongoing clinically silent disease activity while on treatment, to evaluate unexpected clinical worsening, to reassess the original diagnosis, and as a new baseline before starting or modifying therapy. (medscape.com)
The brain MR imaging protocol includes 3D T1-weighted, 3D T2-FLAIR, 3D T2-weighted, post-single-dose gadolinium-enhanced T1-weighted sequences, and a DWI sequence. (medscape.com)
The spinal cord MR imaging protocol includes sagittal T1-weighted and proton attenuation, STIR or phase-sensitive inversion recovery, axial T2- or T2*-weighted imaging through suspicious lesions, and, in some cases, postcontrast gadolinium-enhanced T1-weighted imaging. (medscape.com)
The most commonly used agents are gadolinium derivatives, which have magnetic properties that affect proton relaxation times. (msdmanuals.com)

However, with the advent of magnetic resonance cholangiopancreatography (MRCP), easy visualization of stricture-causing tumors is possible. (medscape.com)
Magnetic resonance cholangiopancreatography (MRCP) is particularly valuable as a noninvasive, highly accurate method of imaging the biliary and pancreatic duct systems. (msdmanuals.com)

Hepatocellular carcinoma (HCC), on the other hand, is an exception since imaging can be employed to determine a noninvasive diagnosis in these high-risk populations [ 6 ]. (springeropen.com)
Hepatocellular carcinoma (HCC) has been well described in terms of its imaging characteristics in individuals with liver cirrhosis. (springeropen.com)
Preoperative prediction of microvascular invasion of hepatocellular carcinoma with IVIM diffusion-weighted MR imaging and Gd-EOB-DTPA-enhanced MR imaging[J/OL]. (med-sci.cn)

Regional 18F-fluoromisonidazole PET images generated from multiple advanced MR images using neural networks in glioblastoma. (cdc.gov)
Radiomics signature for temporal evolution and recurrence patterns of glioblastoma using multimodal magnetic resonance imaging. (cdc.gov)
Diffusion Histology Imaging Combining Diffusion Basis Spectrum Imaging (DBSI) and Machine Learning Improves Detection and Classification of Glioblastoma Pathology. (cdc.gov)

Our major research fields are radiation therapy (RT), magnetic resonance imaging (MRI), experimental x-ray imaging (XRI) and nuclear medicine (NM). (lu.se)
Magnetic Resonance in Medicine. (lu.se)
Magnetic Resonance Materials in Physics, Biology and Medicine. (stanford.edu)
German scientists have developed a novel nuclear medicine test that can determine whether a kidney transplant patient has developed infection in the transplanted tissue. (24x7mag.com)
The study, which utilizes positron emission tomography/magnetic resonance imaging (PET/MRI), is presented in the November issue of The Journal of Nuclear Medicine . (24x7mag.com)
Direct visualization of infiltrating leukocytes in renal allografts in the context of kidney infection has not been done before using PET," says Thorsten Derlin, MD, Department of Nuclear Medicine, Hannover Medical School, Hannover, Germany. (24x7mag.com)
This work establishes CXCR4-targeted PET as a novel approach for imaging of infection, and it strengthens the role of nuclear medicine for renal imaging," Derlin says. (24x7mag.com)
His primary areas of investigation include Magnetic resonance imaging, Internal medicine, Pathology, Central nervous system disease and Endocrinology. (research.com)
His study in Magnetic resonance imaging is interdisciplinary in nature, drawing from both Blood flow, Frontal lobe, Nuclear medicine, Anatomy and Nuclear magnetic resonance. (research.com)
Andrew M. Blamire mostly deals with Internal medicine, Magnetic resonance imaging, Pathology, Cardiology and Neuroscience. (research.com)
His primary areas of study are Magnetic resonance imaging, Internal medicine, Neuroscience, White matter and Disease. (research.com)
The scientist's investigation covers issues in Magnetic resonance imaging, White matter, Cognition, Internal medicine and Clinical trial. (research.com)
The major research areas of the department of Medical Radiation Physics are magnetic resonance imaging, nuclear medicine, radiation therapy, and phase-contrast x-ray imaging. (lu.se)
In Proceedings of the 26th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM), 0222. (mpg.de)
Dr. Eiber presented the research here at the Society of Nuclear Medicine and Molecular Imaging 2013 Annual Meeting. (medscape.com)
Society of Nuclear Medicine and Molecular Imaging (SNMMI) 2013 Annual Meeting: Abstract 343. (medscape.com)
Thank you for your interest in spreading the word on Journal of Nuclear Medicine. (snmjournals.org)
The phenomenon of nuclear magnetic resonance is exploited in several different fields, e.g. chemistry, medicine and geology. (lu.se)

Herein we report on a pilot study involving twelve participants with ALS and nine age-matched healthy controls who underwent high-resolution resting state functional magnetic resonance imaging at an ultra-high field of 7 Tesla. (biorxiv.org)
INTERPRETATION: Endovascular thrombectomy was associated with improved functional outcome and lower mortality in patients with acute ischaemic stroke from large vessel occlusion with established large infarct in a setting using non-contrast CT as the predominant imaging modality for patient selection. (bvsalud.org)

In-vivo microstructure imaging as enabled by the dMRI is a considerable, indispensable, and exciting challenge for shedding light on the biological structures and processes underneath the health and disease brain. (univr.it)
Diffusion EAP-based study of brain tissue microstructure. (univr.it)
On the other hand, Diffusion Weighted Imaging (DWI) can measure the water diffusivity within tissues and reveal their microstructure and integrity ( 1 ). (frontiersin.org)

Gibson AP, Hebden JC, Arridge SR. Recent advances in diffuse optical imaging. (medecinesciences.org)
Force-detected nuclear magnetic resonance: recent advances and future challenges. (comunidades.net)

Research in RT physics aims towards development of personalized, adaptive RT using multi-modality imaging and active motion management, building on improved understanding of clinical dosimetry and radiobiology. (lu.se)

Ischemic cardiomyopathy is relatively easy to differentiate from DCM, but cardiovascular magnetic resonance (CMR) is now revealing overlapping conditions where a DCM can coexist with significant coronary artery disease (CAD). (acc.org)

Resonate: Reaching Excellence Through Equity, Diversity, and Inclusion in ISMRM J Magn Reson Imaging. (usc.edu)

Each subtype has distinct imaging characteristics, as well as a variety of benign and malignant mimics, making accurate diagnosis of cholangiocarcinoma through imaging challenging. (medscape.com)

Recently introduced high-resolution MRI scanners increase image quality and diagnostic accuracy and produce a wide variety of additional pulse sequences to further characterize tissues and tumors. (msdmanuals.com)
Although modern imaging techniques such as color Doppler sonography, helical or multidetector-row CT, and MRI have substantially improved the potential to image Wilms tumors, definitive diagnosis is still based on histology. (medscape.com)
Cerebellar hemispheric tumors of older children and adults show similar imaging features, except that contrast enhancement is more variable than in young children. (medscape.com)

The diffusion process in the brain tissue is hindered by its complex architecture due to the broad variety of cellular structures. (univr.it)
Diffusion-weighted Imaging (DWI) is a non-invasive imaging technique based on Magnetic Resonance Imaging (MRI) principles to measure water diffusivity and reveal details of the underlying brain micro-structure. (frontiersin.org)
On one hand, conventional structural MRI sequences, such as T1- and T2-weighted images, can provide valuable morphological details of the brain and pathological conditions. (frontiersin.org)
The ability to spatially map the diffusion of free water protons in vivo using 1 H MR imaging and the observation that the diffusion of free water protons is reduced in acutely infarcted brain tissue are responsible for the widespread use of these techniques in clinical imaging [ 3 , 4 , 5 , 6 , 7 , 8 ]. (ajronline.org)
[ 24 ] Imaging findings in brain contusions tend to vary because of the stages of evolution common to these lesions. (medscape.com)
See the diagram and images of brain contusion below. (medscape.com)
however, previous trials have relied on multimodal brain imaging, whereas non-contrast CT is mostly used in clinical practice. (bvsalud.org)
The scientist's investigation covers issues in Traumatic brain injury, Neuropsychology, Neuroscience, Neuroimaging and Magnetic resonance imaging. (research.com)
His research investigates the connection with Traumatic brain injury and areas like White matter which intersect with concerns in Diffusion MRI. (research.com)
His study explores the link between Pathology and topics such as White matter that cross with problems in Diffusion MRI and Traumatic brain injury. (research.com)
[ 1 ] Magnetic resonance imaging (MRI) of the brain is useful in the diagnosis and treatment of multiple sclerosis . (medscape.com)
A spinal cord MR imaging is recommended if the brain MR imaging is nondiagnostic or if the presenting symptoms are at the level of the spinal cord. (medscape.com)
A routine brain MR imaging should be considered every 6 months to 2 years for all patients with relapsing MS. (medscape.com)
MRA can be used to image the thoracic and abdominal aorta and arteries of the brain, neck, abdominal organs, kidneys, and lower extremities. (msdmanuals.com)

Extensive experiments have been conducted to show the reliability and generalisation of HADTI-Net to generate high angular DTI estimation from any minimal evenly distributed diffusion gradient directions and to explore the feasibility of applying a data-driven method for this task. (frontiersin.org)

His work deals with themes such as Magnetic resonance imaging and Anatomy, which intersect with Neuroscience. (research.com)
The Magnetic resonance imaging study combines topics in areas such as Motor unit, Anatomy and Nuclear magnetic resonance. (research.com)
T1-weighted images optimally show normal soft-tissue anatomy and fat (eg, to confirm a fat-containing mass). (msdmanuals.com)

A semi-automated algorithm for hypothalamus volumetry in 3 Tesla magnetic resonance images. (mpg.de)

Once a diagnosis of DCM is made, advanced imaging, especially CMR, is often used to answer other clinically focused questions. (acc.org)
[ 4 , 5 ] Finally, the specific patient's neurologic history and clinical findings must be correlated with the imaging findings to establish an accurate diagnosis. (medscape.com)

CT scanning is the most sensitive imaging modality for detecting metastatic lung nodules. (medscape.com)

In NM, research is focused on clinical dosimetry for radionuclide therapy, small-scale dosimetry and Monte-Carlo modelling of imaging systems. (lu.se)
His White matter research includes elements of Cerebral atrophy, Diffusion MRI and Confidence interval. (research.com)
We are certain that the diffusion, research, understanding, and use of Magnetic Resonance techniques are essential for the technological development of our country. (galoa.com.br)
A research team led by the Technical University of Munich (TUM) has developed diamond quantum sensors which can be used to improve resolution in magnetic imaging. (munich-quantum-center.de)
Nuclear magnetic resonance (NMR) is an important imaging method in research which can be used to visualize tissue and structures without damaging them. (munich-quantum-center.de)
His research in Magnetic resonance imaging intersects with topics in Motor unit, Bipolar disorder, Neurology and Nuclear magnetic resonance. (research.com)
Our current research focuses on gas diffusion electrodes for the the electrochemical reduction of CO 2 . (empa.ch)
With its new software platform syngo MR XA30, MAGNETOM Prisma allows you to further excelat MR imaging and research. (siemens-healthineers.com)

Nuclear magnetic resonance (NMR) imaging revealed in situ the swelling behavior of tablets when exposed to water. (diva-portal.org)
The magnetic relaxation mechanism invoked here, where spin relaxation is induced directly by molecular exchange, also provides a molecular basis for understanding the water 1H relaxation behavior that governs the intrinsic magnetic resonance image contrast in biological tissue. (lu.se)

However, time constraints in clinical practice lead to low angular resolution diffusion imaging (LARDI) acquisitions that can cause inaccurate FA value estimates when compared to those generated from high angular resolution diffusion imaging (HARDI) acquisitions. (frontiersin.org)
It has become the leading cross-sectional imaging method in clinical practice and continuous technical improvements have significantly broadened the scope of applications. (lu.se)

2018 Yohanns Bellaïche [Wikidata], For his work on the genetic and mechanical regulation that underlies tissue proliferation, homeostasis and repair in physiological and pathological conditions (using a combination of interdisciplinary approaches involving sophisticated imaging, genetics, large-scale molecular approaches, and computational analyses) including the mechanisms of local and long-range mechano-sensing during cytokinesis that remodel the dividing cell adherens junction. (wikipedia.org)
Q J Nucl Med Mol Imaging 2018;62:239-53. (minervamedica.it)

The following is an overview of current strategies based on advanced magnetic resonance imaging that are used in the assessment of high-grade glioma patients with an emphasis on how novel imaging biomarkers can potentially advance patient care. (minervamedica.it)

These advanced imaging techniques are increasingly employed to generate biomarkers that better reflect tumor burden and therapy response. (minervamedica.it)
On the Viability of Diffusion MRI-Based Microstructural Biomarkers in Ischemic Stroke. (univr.it)

Non-contrast-enhanced CT (NECT) is the initial imaging tool for nonspecific neurologic symptoms, typically because of the need to quickly identify intracranial hemorrhage, ischemic infarction, or other acute abnormality. (medscape.com)
This image shows hypoattenuation of the left frontal lobe without contrast enhancement. (medscape.com)
On contrast-enhanced imaging, hyperenhancement during the arterial phase and a subsequent washout during the enhancement phase serve as the primary diagnostic indicators. (springeropen.com)
Investigators obtained axial diffusion-weighted images (b-values 0, 400, and 800 s/mm²) and axial T1-weighted dynamic contrast-enhanced sequences during an additional 20-minute PET scan over the pelvis for T2-weighted axial and coronal planes. (medscape.com)
Magnetic resonance imaging (MRI) typically reveals a solid fourth ventricular mass that is hypointense on the T1-weighted image, hyperintense on T2-weighted images, and brightly enhancing on T1-weighted images after contrast administration (see the images below). (medscape.com)
Axial T2 magnetic resonance image showing a cerebellar vermian midline mass with contrast enhancement and obstruction of the 4th ventricle. (medscape.com)

The imaging features of the 1p/19q codeleted genotype that are considered typical of oligodendroglioma include indistinct tumor margin, heterogeneous signal intensity, and calcifications. (medscape.com)
This image shows a vascular void due to the tumor. (medscape.com)
The tumor (see the images below) occurs in both hereditary and sporadic forms, and approximately 6% are bilateral. (medscape.com)
Deep Radiogenomics of Lower-Grade Gliomas: Convolutional Neural Networks Predict Tumor Genomic Subtypes Using MR Images. (cdc.gov)

The aim of this study was to see how hepatic fat fraction affects the LI-RADS major HCC features on magnetic resonance imaging (MRI). (springeropen.com)

A sequence of ¹⁹F NMR images, recorded at different stages of cell polarization, revealed the evolution of a region of the polymer depleted of charge carriers. (psu.edu)
Spatially localized diffusion coefficients and spin-lattice relaxation time constants can be measured simultaneously for the ions in the polymer electrolyte by a spin-labeling method that employs the radial B₁-field gradient of the toroid cavity. (psu.edu)

A toroid cavity nuclear magnetic resonance (NMR) detector capable of quantitatively recording radial concentration profiles, diffusion constants, displacements of charge carriers, and radial profiles of spin-lattice relaxation time constants was employed to investigate the charge/discharge cycle of a solid-state electrochemical cell. (psu.edu)
1H and 2H magnetic relaxation rates. (lu.se)
To resolve this issue, we have measured the 2H magnetic relaxation dispersion profile from agarose gels over more than 4 frequency decades. (lu.se)

In practice, T1- and T2-weighted images provide complementary information, so both are important for characterizing abnormalities. (msdmanuals.com)

His studies deal with areas such as White matter, Diffusion MRI and Autism as well as Neuroscience. (research.com)

Journal of Magnetic Resonance Imaging. (stanford.edu)

Because anaplastic oligoastrocytoma imaging findings mirror those of anaplastic oligodendroglioma, distinction cannot be reliably made on CT or MRI. (medscape.com)
The LI-RADS ® (Liver Imaging Reporting and Data System) was created to facilitate consistent reporting of imaging findings in patients at risk of HCC. (springeropen.com)
A clinician may be presented with an MRI report that notes nonspecific white matter lesions compatible with MS. Imaging findings need to be described in detail and, preferably, referenced to one of the published set of diagnostic criteria. (medscape.com)

It was readily apparent that the customary diffusion of advanced technologies from science and industry into the art conservation field had been reversed. (spie.org)
We present a case of a sclerosed hemangioma (SH) of the liver that showed a high apparent diffusion coeffi cient (ADC) value. (elsevierpure.com)

MRI uses magnetic fields and radio waves to produce images of thin slices of tissues (tomographic images). (msdmanuals.com)
Normally, protons within tissues spin to produce tiny magnetic fields that are randomly aligned. (msdmanuals.com)
By controlling the radiofrequency pulse and gradient waveforms, computer programs produce specific pulse sequences that determine how an image is obtained (weighted) and how various tissues appear. (msdmanuals.com)

In-situ imaging of charge carriers in an electrochemical cell [electronic resource]. (psu.edu)

Anatomic detail can be acquired with conventional structural imaging, but newer approaches also add capabilities to interrogate image-derived physiologic and molecular characteristics of central nervous system neoplasms. (minervamedica.it)
Le Bihan D. Molecular diffusion nuclear magnetic resonance imaging. (medecinesciences.org)
Ntziachristos V, Chance B. Probing physiology and molecular function using optical imaging: applications to breast cancer. (medecinesciences.org)
In the last 10-15 years, MR imaging techniques have been increasingly applied to the study of molecular displacement (diffusion) in biologic tissue [ 1 , 2 ]. (ajronline.org)
The molecular basis for this effect has not been clearly established, despite its potential importance for a wide range of applications of agarose gels, including their use as biological tissue models in magnetic resonance imaging. (lu.se)

Carr and Purcell "showed that a simple modification of Hahn's spin-echo method reduces drastically the effect of diffusion" in magnetic resonance, thus increasing its reliability (Aligizaki, 213). (atticusrarebooks.com)
Mazzoli V, Moulin K, Kogan F, Hargreaves B, Gold G. Diffusion Imaging of Skeletal Muscle Contraction using Oscillating Gradient Spin Echo (OGSE). (stanford.edu)

The MRI device creates a very strong magnetic field which interacts with the tiny magnetic fields of the hydrogen nuclei in the body. (munich-quantum-center.de)
When surrounded by the strong magnetic field of an MRI device, the magnetic axes align along that field. (msdmanuals.com)

Distinctive MRI features were also identified in the present case, including pontocerebellar preservation after 1 year of age, as well as a high diffusion‑weighted imaging signal suggesting intracellular edema in the cerebellar hemispheres, basal ganglia, thalamus and corpus callosum. (spandidos-publications.com)
Magnetic resonance image showing a lateral cerebellar mass with a "grapelike" lobular appearance characteristic of the extensively nodular medulloblastoma. (medscape.com)

Magnetic Resonance Imaging (MRI) is a non-invasive medical imaging technique that uses a magnetic field and computer-generated radio waves to create detailed images. (lu.se)

Low-grade and anaplastic oligodendrogliomas can be difficult to differentiate with standard MR imaging characteristics. (medscape.com)

The most characteristic finding in magnetic resonance imaging (MRI) is early onset or progressive cerebral/pontocerebellar atrophy ( 1 - 3 , 5 - 8 , 11 ). (spandidos-publications.com)

Bercoff J, Tanter M, Fink M. Supersonic shear imaging: a new technique for soft tissue elasticity mapping. (medecinesciences.org)
Magnetic resonance elastography (MRE) provides a new way to evaluate HCC with non-invasive quantification of tissue mechanics, reproducibility, and low subjective impact factors, which has good clinical applicability. (med-sci.cn)
The classic MR finding in patients with chronic liver disorders is hyperintense signal in the globus pallidum on T1 weighted images due to increased tissue concentration of manganese. (medscape.com)
High-quality images of small animals and excised tissue can be obtained. (lu.se)

Other imaging methods have not been very useful in the past for diagnosing renal infection, and biopsy may have complications, including bleeding. (24x7mag.com)
Until now the resolution of conventional imaging methods has not been high enough to represent these processes in detail. (munich-quantum-center.de)
NMR methods can also be used to visualize the diffusion of water and other elements. (munich-quantum-center.de)

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Findings3

Apparent2

Tissues3

Situ1

Molecular5

Spin2

Strong magnetic2

Cerebellar2

Radio waves1

Characteristics1

Cerebral1

Tissue4

Methods3