• Magnetic resonance examination includes magnetic resonance imaging (MRI), MRI enhancement imaging, MRI functional imaging, MR diffusion imaging, MR perfusion imaging, and proton magnetic resonance spectroscopy ( 1 H-MRS) [ 10 ]. (hindawi.com)
  • Summary/conclusions Modalities of measuring physiological change after SRC were categorised into the following: functional MRI, diffusion tensor imaging, magnetic resonance spectroscopy, cerebral blood flow, electrophysiology, heart rate, exercise, fluid biomarkers and transcranial magnetic stimulation. (bmj.com)
  • There is accumulating research, however, that shows promise for the future clinical application of functional magnetic resonance imaging in sport concussion assessment and management. (bmj.com)
  • Nuclear imaging, such as positron emission tomography (PET) and single photon emission computed tomography (SPECT) offer great functional information in terms of drug quantification and assessing its biodistribution. (clinicaltrialsarena.com)
  • To explore the neurobiology of psychotic disorders, I use a variety of approaches including eye tracking, functional magnetic resonance imaging (fMRI), diffusion tensor imaging (DTI), magnetic resonance spectroscopy (MRS), behavioral experiments, and first-person accounts of experience. (msu.edu)
  • The University of Cincinnati offers a comprehensive evaluation of the prostate gland providing both anatomic as well as newer 'functional imaging' techniques that give biochemical information about the gland. (uc.edu)
  • This example shows how functional imaging can help identify the tumor. (uc.edu)
  • Signs of brain disruption, potentiation and rewiring will be explored with resting-state functional MRI, magnetic resonance spectroscopy and multishell diffusion weighted imaging (DWI). (biomedcentral.com)
  • 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)
  • Our research group, the MR physics research group at Lund university, is situated in the expanding Öresund region in southern Sweden, is active in the field of medical magnetic resonance, and has its primary focus on development of new techniques for assessment of functional information related to perfusion, diffusion, cortical activation/fMRI and flow. (lu.se)
  • A variety of imaging modalities, including structural and functional magnetic resonance imaging (MRI) and positron emission tomography (PET) studies of cerebral metabolism, have shown characteristic changes in the brain of patients with Alzheimer disease in prodromal and even presymptomatic states. (medscape.com)
  • Besides the conventional magnetic resonance imaging techniques, commonly used for the disease diagnostics and activity monitoring, alternative procedures, such as magnetization transfer imaging, functional magnetic resonance, MR spectroscopy or diffusion tensor imaging, are also available. (csnn.eu)
  • Second-tier imaging with molecular methods, preferably with fluorodeoxyglucose positron emission tomography (FDG-PET) (or single-photon emission CT [SPECT] if PET is unavailable), can provide greater diagnostic specificity. (medscape.com)
  • Dynamic, contrast-enhanced MR imaging has allowed quantitative assessment of cerebral blood volume (CBV) in brain tumors. (ajnr.org)
  • Numerous studies are under way to identify specific imaging markers for different types of dementia, including cerebral volumetric measurements, diffusion imaging, spectroscopy, very-high-field MRI scans of senile plaques, and PET scan markers of senile plaques. (medscape.com)
  • In this study we examined the correlation between grey and white matter magnetization transfer ratio (MTR) parameters and the presence of IgM and IgG aCLs and lupus anticoagulant in 18 patients with systemic lupus erythematosus and a history of NPSLE but without cerebral infarcts on conventional magnetic resonance imaging. (biomedcentral.com)
  • He has developed several magnetic resonance techniques for Magnetic Resonance imaging, EPR Imaging, self-diffusion measurements, high resolution MRS, and localized MRS suitable for pre-clinical and clinical applications. (selectbiosciences.com)
  • MRIs are designated by the strength of the magnetic field they create (measured in Tesla, T) and at the moment, most clinical sites only have an MRI with 1.5T or 3T capabilities. (clinicaltrialsarena.com)
  • All participants will undergo multimodal magnetic resonance imaging (MRI) as well as neuropsychological and clinical assessments at multiple time points before, during and after treatment. (biomedcentral.com)
  • CONCLUSION: Frequency correction is an important step in processing MRS data, significantly impacting metabolite quantification, particularly after echo-planar imaging that often occurs with MRS scans in clinical studies. (manchester.ac.uk)
  • All three correction methods produced significantly improved linewidths relative to uncorrected data, with spectral registration performing best by a small margin.CONCLUSION: Frequency correction is an important step in processing MRS data, significantly impacting metabolite quantification, particularly after echo-planar imaging that often occurs with MRS scans in clinical studies. (manchester.ac.uk)
  • Our clinical imaging facilities include a clinical MRI centre (Philips 1.5T and 3T) for cardiovascular imaging research, an Advanced Imaging Centre (Siemens Prisma 3T) that supports developmental MRI and access to NHS based imaging equipment including CT, echocardiography and PET/CT. (leeds.ac.uk)
  • Since then, the facility has expanded with support from the British Heart Foundation, the Medical Research Council and the University of Leeds and now comprises three state of the art MRI scanners in a Clinical Imaging Centre and a new Advanced Imaging Centre. (leeds.ac.uk)
  • Studies were performed at 2- to 3-month intervals, and imaging and clinical findings were compared. (ajnr.org)
  • Tumor response to treatment, based on clinical findings, did not correlate well with conventional imaging findings. (ajnr.org)
  • Dynamic, contrast-enhanced MR imaging is a valuable adjunct to conventional imaging in assessing tumor activity during antiangiogenic therapy, and correlates better than conventional studies with clinical status and response to therapy. (ajnr.org)
  • Magnetic resonance imaging (MRI) of the breast gained a role in clinical practice thanks to the optimal sensitivity of contrast-enhanced (CE) protocols. (univr.it)
  • 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)
  • The Clinical Magnetic Resonance Imaging facility is housed within the Centre for Medical Imaging and Function at Skåne University Hospital in Lund. (lu.se)
  • From 2003-2009 he was an Assistant Professor at the Center for Advanced Imaging & Department of Radiology of West Virginia University, United States. (selectbiosciences.com)
  • Glioma grading, molecular feature classification, and microstructural characterization using MR diffusional variance decomposition (DIVIDE) imaging. (lu.se)
  • Towards non-parametric diffusion-T1 characterization of crossing fibers in the human brain. (lu.se)
  • PURPOSE: Averaging multiple repetitions to improve signal-to-noise ratio is common practice in magnetic resonance spectroscopy (MRS). However, temporal variations in scanner B0 due to motion or gradient heating may cause spectra to become misaligned, broadening and distorting peaks and impacting on processing and quantification. (manchester.ac.uk)
  • Optimal experimental design for filter exchange imaging: Apparent exchange rate measurements in the healthy brain and in intracranial tumors. (lu.se)
  • Molecular dynamics simulations and solid-state nuclear magnetic resonance spectroscopy measurements of C-H bond order parameters and effective correlation times in a POPC-GM3 bilayer. (lu.se)
  • At present, the main method of imaging assessment of meningioma invasion of brain tissue is also MRI. (hindawi.com)
  • Figure 2 Cranial magnetic resonance imaging brain (September 2010) showing (A, B) normal axial and sagittal TIW and (C) axial T2W images but (D) hyperintense lesion in the antero-medial region of the left temporal lobe (white arrow) in fluid attenuated inversion recovery image. (wjgnet.com)
  • Figure 3 Cranial magnetic resonance imaging brain (August 2012) showing (A, B) hyperintense lesion in the antero-medial region of the left temporal lobe (white arrow) in axial fluid attenuated inversion recovery images (white arrow) and (C, D) normal diffusion weighted axial images. (wjgnet.com)
  • Evaluation of MSUD brains by magnetic resonance diffusion imaging spectroscopy suggests impaired human brain energy fat burning capacity. (woofahs.com)
  • With TMS, brain stimulation is achieved through rapidly changing magnetic fields that induce electric currents underneath a ferromagnetic coil. (biomedcentral.com)
  • Magnetic resonance imaging (MRI) may display anatomical involvement, speed and patterns of growth, effect on the blood-brain-barrier (i.e., contrast enhancement), edema, necrosis, and to some extent the density and vascularity of the lesions. (surgicalneurologyint.com)
  • Several magnetic resonance spectroscopic studies have shown that lactate accumulates in areas of the brain that are damaged in methylmalonic acidemia. (medscape.com)
  • If the change develops early and is progressive, it may explain the difficulty in treating these symptoms.MethodsEarly disease brain change was explored in 13 patients with newly diagnosed biopsy-proven precirrhotic PBC using magnetisation transfer, diffusion-weighted imaging and 1 H magnetic resonance spectroscopy. (ncl.ac.uk)
  • Imaging of Brain Infarctions: Beyond the Usual Territories. (shengsci.com)
  • In this review, our intension is to present imaging features of several categories of uncommon cases of brain infarctions including infarctions associated with neurovascular variants, infarctions along small arterial territories, and brainstem stroke syndromes. (shengsci.com)
  • Magnetic resonance spectroscopy (MRS) measures localize brain metabolism. (sun.ac.za)
  • Brain image reveals hippocampal atrophy, especially on the right side. (medscape.com)
  • Practice parameters for diagnosis and evaluation of dementia, as published by the American Academy of Neurology (AAN), consider structural brain imaging to be optimal. (medscape.com)
  • Magnetization transfer imaging (MTI) has proved to be a sensitive tool for detecting diffuse microscopic brain damage in NPSLE patients. (biomedcentral.com)
  • Nonparametric 5D D-R2 distribution imaging with single-shot EPI at 21.1 T: Initial results for in vivo rat brain. (lu.se)
  • Computing and visualising intra-voxel orientation-specific relaxation-diffusion features in the human brain. (lu.se)
  • The role of NMR imaging in the assessment of multiple sclerosis and isolated neurological lesions: a quantitative study. (csnn.eu)
  • In dynamic nuclear polarization nuclear magnetic resonance (DNP-NMR) experiments, the large Boltzmann polarization of unpaired electrons is transferred to surrounding nuclei, leading to a significant increase in the sensitivity of the NMR signal. (weizmann.ac.il)
  • Recent oxygen-17 magnetic relaxation dispersion (MRD) experiments have shown that the vast majority of water molecules in the protein hydration layer suffer a mere twofold dynamic retardation compared with bulk water. (lu.se)
  • Computed tomography (CT), also known as a CAT scan, remains the quickest modality and the go-to imaging choice of many emergency situations. (clinicaltrialsarena.com)
  • However thalamic parcellation of the nuclei, manual or automatic, is difficult given the limited contrast in any particular magnetic resonance (MR) modality. (johnshopkins.edu)
  • Current neurophysiological and imaging research findings have identified neural changes in association with meditation and provide a potentially promising avenue for future research. (brmi.online)
  • MRI relies on forming an image from the signal acquired from spinning hydrogen atoms located on water molecules within the human body. (clinicaltrialsarena.com)
  • DWI is a technique involving the exchange of water molecules (diffusion) between prostate tissue compartments Figure 1c. (uc.edu)
  • In vivo NMR spectroscopy. (abdn.ac.uk)
  • Apart from morphologic features on unenhanced T2-weighted images, two different non-contrast molecular approaches were mainly run in vivo: proton MR spectroscopy (1H-MRS) and diffusion-weighted imaging (DWI). (univr.it)
  • He then joined as a senior scientist in Biological Imaging Center at the Beckman Institute of California Institute of Technology, California where he worked on high field Magnetic Resonance Microscopy (1999-2003). (selectbiosciences.com)
  • 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)
  • During an MRI, a computer records changes in the magnetic field around a person's body to create cross-sectional, detailed images. (msdmanuals.com)
  • Computed Tomography (CT) Computed tomography (CT) is a type of medical imaging that combines a series of x-rays to create cross-sectional, detailed images of internal structures. (msdmanuals.com)
  • Takayasu arteritis: palpable neck mass diagnosed by cross sectional imaging. (shengsci.com)
  • As part of CIBM's Teaching Initiative 2022, the newly created CIBM Translational MR Neuroimaging & Spectroscopy PhD course PHYS-760 / 3 crédits took place from April 24th- May 5th, 2023 at EPFL. (cibm.ch)
  • Flow imaging, MR angiography, cardiac gated imaging. (abdn.ac.uk)
  • Multidimensional encoding of restricted and anisotropic diffusion by double rotation of the q vector. (lu.se)
  • Massively multidimensional diffusion-relaxation correlation MRI. (lu.se)
  • 10. Rao SM, Leo GJ, Haughton VM, St. Aubin-Faubert P, Bernardin L. Correlation of magnetic resonance imaging with neuropsychological testing in multiple sclerosis. (csnn.eu)
  • In June 2009 he joined the laboratory of molecular imaging, Singapore Bioimaging Consortium as the Head of Magnetic Resonance Spectroscopy and Metabolic Imaging group. (selectbiosciences.com)
  • Molecular mobility in keratin-rich materials monitored by nuclear magnetic resonance: A tool for the evaluation of structure-giving properties. (lu.se)
  • The diagonal and off-diagonal elements of the effective self-diffusion tensor, Deff, are related to the echo intensity in an NMR spin-echo experiment. (nih.gov)
  • It is shown that significant errors are made in diffusion NMR spectroscopy and imaging of anisotropic skeletal muscle when off-diagonal elements of Deff are ignored, most notably the loss of information needed to determine fiber orientation. (nih.gov)
  • Axial T2-weighted image at the level of the mid gland shows nonspecific low signalbilaterally in the peripheral zone(asterisks) with minimal capsular bulge on the left. (uc.edu)
  • Production of thin CT sections and coronal and sagittal images by spatial filtering. (shengsci.com)
  • Subjects were imaged using T1-weighted 3-D structural MRI (69 subjects at 1.5 T, 51 subjects at 3 T). Differences in grey matter were investigated in the two groups, controlling for age, sex, site and intracranial volume. (bmj.com)
  • Structural imaging, preferably with MRI when possible and with computed tomography (CT) when not, should be performed as a first-tier approach. (medscape.com)
  • Examiners can change how various tissues appear on a scan by varying the radio wave pulses, the strength and direction of the magnetic field, and other factors. (msdmanuals.com)
  • Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: effect of off-center patient position, bowtie filter type, and scan projection radiograph. (shengsci.com)
  • We describe the effect of the off-center position, the bowtie filter type, and the direction of scan projection radiograph on the radiation dose and image noise of 64-detector computed tomographic scans using the automatic tube current modulation technique. (shengsci.com)
  • Here we present an in-depth investigation of a nominal AlF3 coating on LiNi0.5Mn1.5O4 based on solid state NMR spectroscopy to determine the composition and function of the Al/F coating layer. (weizmann.ac.il)
  • Differences in quality of life, 1 H-MRS index, vascular density, and cell proliferation between the two groups were assessed as well as imaging differences between the two groups were analyzed using MRI. (hindawi.com)
  • Metastase en hooggradig glioom konden eveneens met hoge sensitiviteit en specificiteit van elkaar worden onderscheiden middels perfusie MRI met DSC, ASL of DCE (Suh, 2018), ASL (Fu, 2019) en MRS (Wang, 2017). (richtlijnendatabase.nl)
  • The purpose of our study was to compare postcontrast T1-weighted imaging with dynamic, contrast-enhanced T2*-weighted echo-planar imaging in the evaluation of the response of recurrent malignant gliomas to thalidomide and carboplatin. (ajnr.org)
  • Conventional postcontrast T1-weighted images were compared with relative CBV (rCBV) maps calculated on a pixel-by-pixel basis from dynamic echo-planar imaging data. (ajnr.org)
  • Dynamic, contrast-enhanced T2*-weighted echo-planar MR imaging has previously been shown to be helpful in assessing tumor vascularity (10-12) and may fill this need. (ajnr.org)
  • Magnetic resonance examination is characterized by multidirectional and external parametric imaging, which can clearly show the lesions of tumor soft tissue and microvessels [ 9 ]. (hindawi.com)
  • The CIBM Center for Biomedical Imaging MRI EPFL Section is looking for men between the ages of 18 and 40 to participate in a research study. (cibm.ch)
  • Diffusion weighted image with ADC map shows a low ADC value in the left mid glaperipheral zone lesion (white arrow), indicative of prostate cancer. (uc.edu)
  • Consequently, MR imaging technology has been widely applied in the evaluation of postoperative tumor relapse in patients who receive neurosurgery operations such as meningioma. (hindawi.com)
  • Evaluation of CT and conventional images was done separately, and a feature-grading list was used to compare the two modalities. (shengsci.com)
  • NMR results, supported by X-ray photoelectron spectroscopy and electron microscopy, reveal that the actual composition of the deposited layer is an amorphous Al-O-F phase. (weizmann.ac.il)
  • Morphometric analysis of white matter lesions in MR images: method and validation. (csnn.eu)
  • However, when it comes to medical imaging, a picture can be worth two, or even sometimes three thousand words. (clinicaltrialsarena.com)
  • Prostate MR is an emerging medical imaging technology that provides the image quality needed for an accurate look at the prostate gland using magnetic fields. (uc.edu)
  • Magnetic resonance imaging (MRI) is a type of medical imaging that uses a strong magnetic field and very high frequency radio waves to produce highly detailed images. (msdmanuals.com)
  • Paramagnetic Contrast Agents Radiographic contrast agents are substances used to distinguish between internal structures in medical imaging, such as various types of x-rays and magnetic resonance imaging (MRI). (msdmanuals.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)
  • Aside from non-invasively diagnosing a patient, imaging plays a key role in determining treatment efficacy. (clinicaltrialsarena.com)