Brain lesions on magnetic resonance imaging. Medical search. Frequent questions

At present, multiple imaging modalities have been explored to measure the volume of remnant liver, including computed tomography (CT), magnetic resonance imaging (MRI), and ultrasound [ 4 , 12 ]. (hindawi.com)
Computed tomography brain scan was normal. (who.int)
Nonenhanced head computed tomography scan at the level of the suprasellar cistern in the same patient as in the previous image. (medscape.com)
Nonenhanced head computed tomography (CT) scan obtained at the level of the inferior pons in the same patient as in the previous 2 images. (medscape.com)
For transtentorial herniation, computed tomography (CT) scanning or magnetic resonance imaging (MRI) is useful for evaluation. (medscape.com)
Whole-body computed tomography scan and 18 F-fluorodeoxyglucose positron emission tomography/computed tomography scan excluded a secondary lesion from a cancer arising elsewhere in the body, suggesting a primary sellar or suprasellar lesion. (medscape.com)
A computed tomography (CT) scan revealed multifocal pulmonary opacities with surrounding ground-glass changes, as well as hepatic and splenic lesions. (cdc.gov)

Neonatal brain magnetic resonance imaging (MRI) has been shown to be more sensitive than cranial ultrasound (CUS) for the detection of non-cystic WMI, and is therefore considered the gold-standard neuroimaging method to identify and quantify diffuse WMI of prematurity. (nature.com)
Overview of Intracranial Tumors Intracranial tumors may involve the brain or other structures (eg, cranial nerves, meninges). (msdmanuals.com)
they had a right-to-left shunt, but no pathologic findings on cranial magnetic resonance imaging. (who.int)
There was no objective sensory finding and no cranial nerve lesions. (who.int)
The authors sought to determine if some patients with brain herniation or significant brain shift diagnosed by cranial CT might have a normal neurologic examination. (medscape.com)

Imaging features of vasculitis and/or vascular occlusion are detected in other inflammatory and ischemic cerebral conditions. (medscape.com)
As predicted from classical models of language organization based on lesion data, cortical activation associated with language processing was strongly lateralized to the left cerebral hemisphere and involved a network of regions in the frontal, temporal, and parietal lobes. (jneurosci.org)
Neurogenic disorders of heart and lung function in acute cerebral lesions. (thieme-connect.de)
In the past decade, white matter lesions in the sense of cerebral microangiopathy have been identified as an important factor in gait disturbance and falls. (thieme-connect.com)
The purpose of this study was to evaluate the frequency and topography of cerebral hyperintensities seen with FLAIR MR imaging of the brain at 3T in a normal population and compare those findings to 1.5T. (ajnr.org)
Ischemic Stroke Ischemic stroke is sudden neurologic deficits that result from focal cerebral ischemia associated with permanent brain infarction (eg, positive results on diffusion-weighted MRI). (msdmanuals.com)
Characterization of cerebral small vessel disease by proton spectroscopy and morphological magnetic resonance. (mpg.de)
Cerebral hydatid disease was considered a possible diagnosis based on imaging and the child was commenced on oral albendazole 15 mg/kg/day. (hkmj.org)
This type of inflammation is associated with the formation of subpial demyelinated lesions in the cerebral and cerebellar cortex, with slow expansion of pre-existing lesions in the white matter and with diffuse neurodegeneration in the normal appearing white or gray matter. (frontiersin.org)

Although magnetic resonance imaging is superior to CUS in detecting the diffuse and more subtle forms of WMI that prevail in very premature infants surviving nowadays, recent improvement in the quality of neonatal CUS imaging has broadened the spectrum of preterm white matter abnormalities that can be detected with this technique. (nature.com)
magnetic resonance imaging (MRI) of the brain indicated diffuse, patchy white matter lesions, alongside patchy, enhancing lesions in both cerebellar hemispheres. (cdc.gov)
Discrete and diffuse parenchymal brain white matter FLAIR hyperintensities are more common and prominent at 3T than at 1.5T in healthy volunteers. (ajnr.org)
Cortical lesion load correlates with diffuse injury of multiple sclerosis normal appearing white matter. (nottingham.ac.uk)
Diffuse axonal injury due to traumatic brain injury alters inhibition of imitative response tendencies. (mpg.de)
Multiple sclerosis is a chronic inflammatory disease of the central nervous system which leads to the formation of focal confluent lesions of primary demyelination in the white and gray matter and to diffuse damage and neurodegeneration in the entire brain ( 1 ). (frontiersin.org)
A case of diffuse leptomeningeal oligodendrogliomatosis affecting the brain and spinal cord of a dog is presented. (gla.ac.uk)

Tuberous sclerosis is a neurological disorder that can cause growths (called tubers) and tumors to develop inside vital organs, including the brain, kidneys, lungs, heart and skin. (uchicagomedicine.org)

Detection of infarct lesions using traditional segmentation methods is always I problematic due to intensity similarity between lesions and normal tissues, so that multispectral MRI modalities were often employed for this purpose. (surrey.ac.uk)
Of these imaging modalities, the volumetric CT plays an important role in evaluating the liver volume as it has good reconstructive ability [ 13 , 14 ]. (hindawi.com)

Visualization of inflammatory, demyelinated, and neoplastic lesions may require enhancement with IV paramagnetic contrast agents (eg, gadolinium). (msdmanuals.com)
Brain herniation represents mechanical displacement of normal brain relative to another anatomic region secondary to mass effect from traumatic, neoplastic, ischemic, or infectious etiologies. (medscape.com)

Although partly in conflict with the classical model of language localization, these findings are generally compatible with reported lesion data and provide additional support for ongoing efforts to refine and extend the classical model. (jneurosci.org)
The EEG findings are nonspecific (see the image below). (medscape.com)
[ 24 ] Imaging findings in brain contusions tend to vary because of the stages of evolution common to these lesions. (medscape.com)
Initially, CT findings can be normal or minimally abnormal because the partial volumes between the dense microhemorrhages and the hypodense edema can render contusions isoattenuating relative to the surrounding brain. (medscape.com)
MRI findings typically demonstrate the lesions from the onset of injury, but many facilities cannot perform MRI on an emergent basis. (medscape.com)
As such, the radiographic findings are usually associated with underlying brain contusions, although significant brain injury may occur without these findings. (medscape.com)
Study findings pointed at a clear association between VMS, especially if occurring during sleep [5], and greater whole brain WMH volume. (imsociety.org)
Of note, GTPVS are often incidental findings on imaging. (hkmj.org)
Brain magnetic resonance imaging findings. (medscape.com)
Lhermitte Duclos Disease, Incidental Findings, Diagnostic Imaging. (bvsalud.org)
Imaging findings and cognitive function in glioblastoma patients. (lu.se)

Magnetic Resonance Imaging (MRI) is a non-invasive imaging technique based on the principles of Nuclear Magnetic Resonance to reconstruct detailed images of the internal structure of the human body. (frontiersin.org)
MRI, is the application of nuclear magnetic resonance in medical field. (clickpress.com)

Its hallmarks are widespread progressive calcifications, cysts and abnormalities of the white matter of the brain, usually occurring together with abnormalities of the blood vessels of the retina. (wikipedia.org)
citation needed] Neurologic symptoms and signs vary depending on the site of the brain abnormalities. (wikipedia.org)
Subclinical brain magnetic resonance imaging abnormalities predict physical functional decline in high-functioning older adults. (thieme-connect.com)
The data suggest that calculated MTR obtained with in vivo MTI may enable differentiation of edema from demyelination, and that MTI can demonstrate white matter abnormalities that cannot be seen with standard spin-echo or gradient-echo magnetic resonance imaging. (nih.gov)
Cascades of diffusion MRI abnormalities in the brain are subtype-specific in sCJD. (cdc.gov)

Damage to Myelin and Oligodendrocytes: A Role in Chronic Outcomes Following Traumatic Brain Injury? (mdpi.com)
Brain contusions commonly are identified in patients with traumatic brain injury (TBI) and represent regions of primary neuronal and vascular injury. (medscape.com)
Traumatic brain injury (TBI) is a common cause of paediatric intensive care unit (PICU) admissions in South Africa. (bvsalud.org)
Background: This study reviews our experience with penetrating Traumatic Brain Injury (TBI) in order to define and describe the injury pattern and the outcome. (bvsalud.org)

citation needed] Angiomas and numerous abnormal, small, dilated telangiectatic vessels with thickened, sclerotic and calcified walls have been found in those brain areas which also show calcifications. (wikipedia.org)
Objective White matter hyperintensity (WMH), defined as abnormal signals on magnetic resonance imaging (MRI), is an important clinical indicator of aging and dementia. (researchgate.net)

A hallmark of ALSP is leukoencephalopathy, which is the alteration of a type of brain tissue called white matter. (medlineplus.gov)
Areas of damage to this brain tissue (white matter lesions) can be seen with magnetic resonance imaging (MRI). (medlineplus.gov)
Intrinsically, ischemic stroke indicates the cascade of congesting events, i.e., thrombus formation and embolism, that ultimately decreases the local blood flow and cause oxygen deprivation in affected brain tissue. (hindawi.com)
Although many authors use the term brain injury to mean acute traumatic damage to the central nervous system (CNS), others use the term head injury, which allows inclusion of skull injuries, fractures, or soft tissue damage to the face or head without any obvious neurologic consequences. (medscape.com)
MTRs decreased slightly but significantly (5%-8%) compared with the MTRs of the same tissue region measured before the onset of the lesion [corrected]. (nih.gov)
Furthermore, the texture analysis based on CT images also presented a promising future because of its ability to assess tissue heterogeneity. (hindawi.com)
The other type of inflammation is a slow accumulation of T-cells and B-cells in the absence of major blood brain barrier damage in the connective tissue spaces of the brain, such as the meninges and the large perivascular Virchow Robin spaces, where they may form aggregates or in most severe cases structures in part resembling tertiary lymph follicles. (frontiersin.org)
It is suggested that CD8 + T-lymphocytes remain in the brain and spinal cord as tissue resident cells, which may focally propagate neuroinflammation, when they re-encounter their cognate antigen. (frontiersin.org)
Whether lymphocytes within the brain tissue of MS lesions have also regulatory functions is presently unknown. (frontiersin.org)

therefore, imaging has an important role in establishing the diagnosis. (medscape.com)
H ave you been uncertain about how you can make a diagnosis of multiple sclerosis by reviewing signs and symptoms, results of laboratory tests, and brain imaging? (psychiatrist.com)
Diagnosis of AHLE is done using serial magnetic resonance imaging and brain biopsy. (news-medical.net)
A positive diagnosis of the condition would show mass-like lesions, and edematous swelling that localizes in various brain areas. (news-medical.net)
A discriminative event-based model for subtype diagnosis of sporadic Creutzfeldt-Jakob disease using brain MRI. (cdc.gov)
Our goal was to establish the ante mortem diagnosis of sCJD subtype, based on patient-specific estimates of the spatiotemporal cascade of lesions detected by diffusion-weighted magnetic resonance imaging (DWI). (cdc.gov)
We made the diagnosis after a live nematode was removed from the brain of a 64-year-old woman who was immunosuppressed for a hypereosinophilic syndrome diagnosed 12 months earlier. (cdc.gov)

Adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP) is a neurological condition characterized by changes to certain areas of the brain. (medlineplus.gov)
The subacute or secondary phase continues its deleterious events up to 6 months after the onset of the lesion. (hindawi.com)
A recently completed EXTEND trial showed that this could be extended up to 9 h after stroke onset guided by CT or MRI perfusion images, thus allowing more patients eligible to receive tPA beyond the 4.5-h time window (Ma et al. (springer.com)

Functional magnetic resonance imaging (FMRI) was used to identify candidate language processing areas in the intact human brain. (jneurosci.org)
Functional maps of the entire brain were obtained from 30 right-handed subjects. (jneurosci.org)
For some time, electroencephalography (EEG) has been employed clinically as a measure of brain function in the hope of determining and differentiating certain functional conditions of the brain. (medscape.com)
Crossed nonaphasia in a dextral with left hemispheric lesions - A functional magnetic resonance imaging study of mirrored brain organization. (mpg.de)
In addition, MRI can not only show the tangible physical lesion but also make accurate judgments of functional response of brain, hear, liver, etc. (clickpress.com)

Fluid-attenuated inversion recovery (FLAIR) MR imaging of the brain has become a routine tool for assessing lesions in patients with suspected neurologic disorders such as multiple sclerosis (MS). 1 , 2 FLAIR is particularly useful for assessing supratentorial pathology but is less useful for assessing the posterior fossa and spinal cord. (ajnr.org)
Tobacco smoking and disability progression in multiple sclerosis: United Kingdom cohort study Brain: a Journal of Neurology. (nottingham.ac.uk)
Upper cervical spinal cord cross-sectional area in relapsing remitting multiple sclerosis: application of a new technique for measuring cross-sectional area on magnetic resonance images. (nottingham.ac.uk)
However, there is conflicting evidence with regards to their potential as a clinically relevant imaging biomarker in multiple sclerosis (MS). Methods: To perform a systematic review and meta-analysis of EPVS as visualized by MRI in MS. Nine out of 299 original studies addressing EPVS in humans using MRI were eligible for the systematic review and meta-analysis including a total of 457 MS patients and 352 control subjects. (uzh.ch)
see the image below) is a demyelinating inflammation of the optic nerve that often occurs in association with multiple sclerosis (MS) and neuromyelitis optica (NMO). (medscape.com)

An MRI or 'magnetic resonance imaging' scan uses strong magnetic fields and radio waves to take detailed photos of the brain or spinal cord. (msif.org)
A study by Probst et al found that among 161 patients with frank brain herniation diagnosed by CT scan, 3 (1.9%) had no neurologic deficit. (medscape.com)
panels A, B). The pulmonary and hepatic lesions were 18F-fluorodeoxyglucose–avid on positive emission tomography scan. (cdc.gov)
A positive Gd+ MRI scan (brain and/or spine) in the last 12 months prior to randomization. (who.int)

Second, we tested the hypothesis that FLAIR would show increased sensitivity to brain hyperintensities at 3T versus 1.5T. Finally, we tested the association between discrete hyperintense foci and age. (ajnr.org)
A lesion was counted if it was hyperintense on both T2-weighted and T2-weighted fluid attenuated inversion recovery sequences. (who.int)
White matter hyperintensities (WMHs) are brain white matter lesions that are hyperintense on fluid attenuated inversion recovery magnetic resonance imaging (FLAIR-MRI) scans. (imsociety.org)
Minimal fluid-attenuated inversion recovery (FLAIR) hyperintense signals were noted in the white matter adjacent to the lesions. (hkmj.org)

Central veins in brain lesions visualized with high-field magnetic resonance imaging: a pathologically specific diagnostic biomarker for inflammatory demyelination in the brain JAMA Neurology. (nottingham.ac.uk)

Brain biopsy showed transmural, predominantly eosinophilic, inflammatory infiltrates of medium-sized leptomeningeal arteries without granulomas. (bmj.com)
4 The loss of axons and neurons is central to MS, which often begins with focal inflammatory lesions. (psychiatrist.com)

There are various ways to measure biomarkers, including blood tests, urine tests, lumbar punctures, and scans of your brain or spinal cord. (msif.org)
Visual assessment of brain perfusion MRI scans in dementia: a pilot study. (lu.se)

In this model of EAE, pathologically proved lesions were edematous with essentially no demyelination. (nih.gov)
The authors believe that demyelination produced the lower MTR, and, thus, lesions varied in transfer ratio on the basis of the extent of myelin loss. (nih.gov)

Fluid attenuated inversion recovery (FLAIR) MR imaging of the brain has become a routine tool for assessing lesions in patients with suspected neurologic disorders. (ajnr.org)
Magnetic resonance imaging (MRI) on day 2 following admission at the level of the right frontal lobe lesions (a) T1-weighted, (b) T2-weighted, (c) fluid-attenuated inversion recovery (FLAIR) imaging showing the lesions to be identical to cerebrospinal fluid signal on all MRI sequences. (hkmj.org)
A reactive brain edema was seen around the mass on the axial T2 and coronal fluid-attenuated inversion recovery sequences, which is not a typical feature of macroadenoma and could suggest, although rather nonspecific, an unusual lesion. (medscape.com)
A) Axial, (B) coronal, and (C and D) sagittal sections of (A) T2 fluid-attenuated inversion recovery, (B) T2, (C) T1 pregadolinium, and (D) postgadolinium, showing a 4-cm heterogeneous enhancing sellar and suprasellar lesion, with substantial mass effect to the chiasma and third ventricle. (medscape.com)

White matter injury (WMI) is the most frequent form of preterm brain injury. (nature.com)
We propose a structured CUS assessment of WMI of prematurity that seeks to account for both cystic and non-cystic changes, as well as signs of white matter loss and impaired brain growth and maturation, at or near term equivalent age. (nature.com)
White matter injury (WMI) is the most frequent type of brain lesion in preterm infants and may be present to some degree in up to 50% of very low birth weight infants. (nature.com)
Magnetic resonance imaging quantified white matter lesions. (lu.se)
We used linear mixed-effect models to test associations between baseline AD biomarkers (for amyloid-β [Aβ], tau, and neurodegeneration) and white matter lesions with longitudinal neuropsychiatric symptoms (apathy, anxiety, and depressive symptoms). (lu.se)
Brain white-matter changes in the elderly prone to falling. (thieme-connect.com)
White matter lesions volume and motor performances in the elderly. (thieme-connect.com)
Although MRI image analysis software can automatically detect WMH, the quantitative accuracy of periventricular hyperintensity (PVH) and deep white matter hyperintensity (DWMH) is un. (researchgate.net)
Brain hemorrhage, leading to damage of the white matter, is also observed. (news-medical.net)
Diffusion tensor imaging (DTI) is an extension of DWI that can show white matter tracts in 3 dimensions (tractography) and can be used to monitor the integrity of CNS tracts affected by aging and disease. (msdmanuals.com)
with this technique, the CSF looks dark and the demyelinating lesion looks white. (msdmanuals.com)
Only one hyperintensive lesion of the central white matter was found and that was in a diver with no evidence of a right-to-left shunt. (who.int)
it is also specific for white matter lesions in the central nervous system. (medscape.com)
These Lewy bodies can be imaged by magnetic resonance imaging (MRI) and appear as white matter lesions throughout the brain 3 . (taconic.com)
Non-contrast computed tomographic (CT) brain prior to lumbar puncture revealed clustered well-defined cystic lesions with no calcifications measuring up to 1.5 cm in the white matter of the right frontal and parietal lobes ( Fig 1 ). (hkmj.org)
Evidence obtained so far indicate major differences between RRMS and progressive MS, but no essential differences between SPMS and PPMS, with the exception of a lower incidence in the global load of focal white matter lesions and in particular in the presence of classical active plaques in PPMS. (frontiersin.org)
The first is the focal bulk invasion of T- and B-lymphocytes with profound blood brain barrier leakage, which predominately affects the white matter, and which gives rise to classical active demyelinated plaques. (frontiersin.org)

Therefore, over the past several years, research has been directed to limit the brain lesions produced by acute ischemia (neuroprotection) and to increase the recovery, plasticity and neuroregenerative processes that complement rehabilitation and enhance the possibility of recovery and return to normal functions (neurorepair). (mdpi.com)
Acute hemorrhagic leukoencephalitis (AHLE) is a rare form of acute disseminated encephalomyelitis that is characterized by a brief yet intense inflammation in the brain and spinal cord. (news-medical.net)
The image demonstrates a large right frontal and temporal subdural fluid collection with hyperattenuating and hypoattenuating components consistent with an acute on chronic subdural hematoma. (medscape.com)

Variations of MRI Sagittal T1-weighted image of the brain shows normal midline structures. (msdmanuals.com)
Sagittal proton density-weighted 3-tesla magnetic resonance image of the right knee shows meniscocapsular separation. (msdmanuals.com)
Sagittal T-2 weighted magnetic resonance image of the brain of a dog examined because of cluster seizures. (avma.org)
T1-weighted sagittal magnetic resonance image through the cervical spine in a child with a history of an Arnold-Chiari I malformation. (medscape.com)
T2-weighted sagittal magnetic resonance image through the cervical spine was obtained in the same patient as in the previous image. (medscape.com)

Article: FPGA hardware architecture of correlation-based MRI images classification using XSG Journal: International Journal of Computer Applications in Technology (IJCAT) 2015 Vol.52 No.1 pp.77 - 85 Abstract: Medical imaging classification is one of the areas where using algorithm-based hardware architecture improves performance, in terms of time processing. (inderscience.com)

Assessment of brain metabolite correlates of adeno-associated virus-mediated over-expression of human alpha-synuclein in cortical neurons by in vivo (1) H-MR spectroscopy at 9.4 T. (lu.se)

The signal intensity of the lesions was identical to that of cerebrospinal fluid (CSF) on all MRI sequences ( Figs 2 and 3 ). (hkmj.org)

There was no cord compression on magnetic resonance imaging of the thoracolumbar spine. (who.int)

Most studies in humans, however, especially in patients with brain damage, suggest that the human MTL is a unitary memory system supporting all types of declarative memory, our conscious memory for facts and events. (jneurosci.org)

Background: Perivascular spaces can become detectable on magnetic resonance imaging (MRI) upon enlargement, referred to as enlarged perivascular spaces (EPVS) or Virchow-Robin spaces. (uzh.ch)
The lesions were classified as giant tumefactive perivascular spaces (GTPVS). (hkmj.org)
The perivascular spaces (PVS) of the brain are pial-lined, interstitial fluid-filled cystic spaces. (hkmj.org)

Contusions of the brain are most commonly seen in the inferior frontal lobe and the anterior inferior temporal lobe. (medscape.com)

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)
A regularized two-tensor model fit to low angular resolution diffusion images using basis directions. (nottingham.ac.uk)

Axial T1-weighted contrast-enhanced MR image in a child with a tuberculous abscess in the left parietal region. (medscape.com)
Extra-axial intradural lesions with an atypical presentation of a dural tail sign were seen on MRI. (gla.ac.uk)

A biomarker is something we can readily detect and measure, be it a clinical sign, molecule, or picture of the brain. (msif.org)

There is growing interest in 3T brain FLAIR MR imaging but little normative data are available. (ajnr.org)
As interest in FLAIR has grown during the past decade, so too has interest in brain MR imaging at field strengths higher than 1.5T (eg, 3T and higher). (ajnr.org)
The present study had 3 principal aims: We first sought to describe both qualitatively and quantitatively brain hyperintensities detected in healthy volunteers with FLAIR at 3T. (ajnr.org)

The presenting symptoms usually range from seizures to focal neurological deficits resulting from worm wriggling and space-occupying granulomatous lesions. (lww.com)

The incidence of preterm WMI varies among reports, partly due to the use of different imaging techniques (CUS or MRI) and their particular timelines and diagnostic roles. (nature.com)

A whole-body clinical examination, particularly of the skin and mucous membranes, did not find any specific lesion. (medscape.com)

Results: In MS, EPVS have been associated with cognitive decline, contrast-enhancing MRI lesions, and brain atrophy. (uzh.ch)

The intracranial pressure can be elevated if cysts develop in the brain. (wikipedia.org)

It is used in patients with cognitive dysfunction involving either a general decline of overall brain function or a localized or lateralized deficit. (medscape.com)
Anodal transcranial Direct Current Stimulation (tDCS) has been shown to be an effective non-invasive brain stimulation method for improving cognitive and motor functioning in patients with neurological deficits. (surrey.ac.uk)
Correlation of cognitive status, MRI- and SPECT-imaging in CADASIL patients. (mpg.de)
Imaging aspects of mild cognitive impairment and subjective cognitive decline. (lu.se)

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)

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)
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)
On the other hand, Diffusion Weighted Imaging (DWI) can measure the water diffusivity within tissues and reveal their microstructure and integrity ( 1 ). (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)
Fuzzy anatomical connectedness of the brain using single and multiple fibre orientation estimates from Diffusion MRI Journal of Computerized Medical Imaging and Graphics. (nottingham.ac.uk)
There was no restricted diffusion on diffusion-weighted imaging. (hkmj.org)

Clinical dementia is a fairly broad-based decline of brain function, and most definitions center on the patient's intellectual decline and memory dysfunction. (medscape.com)

For sphenoid/alar herniation, MRI provides the best visualization on parasagittal images. (medscape.com)

Assessment of story comprehension deficits after brain damage. (mpg.de)

DWI is extensively used in clinical neuroscience research because it is particularly sensitive to the diffusivity of water molecules in brain tissues and it can help to reconstruct fibre bundles and estimate brain connectivity. (frontiersin.org)

BACKGROUND: Recent studies suggest that healthy sport divers may develop clinically silent brain damage, based on the association between a finding of multiple brain lesions on MRI and the presence of right-to-left shunt, a pathway for venous gas bubbles to enter the arterial system. (who.int)
The presence of a lesion at any point along the oculosympathetic pathway results in Horner syndrome, which is characterized clinically by ipsilateral miosis (from unantagonized action of the iris sphincter), facial anhidrosis, ipsilateral upper eyelid ptosis, and mild lower eyelid elevation (upside-down ptosis). (aao.org)
For patients with ON whose brain lesions on MRI indicate a high risk of developing clinically definite MS, treatment with immunomodulators (eg, interferon [INF] beta-1a, INF beta-1b, glatiramer acetate) may be considered. (medscape.com)

CNS TB predominantly manifests in the brain and meninges as tuberculomas, abscess formation, or meningeal enhancement. (medscape.com)
Magnetic resonance imaging (MRI) with gadolinium enhancement is the preferred method of initial investigation. (medscape.com)
There was no rim enhancement around the lesions. (hkmj.org)

Measurement of Cervical Spinal Cord Cross-Sectional Area by MRI Using Edge Detection and Partial Volume Correction Journal of Magnetic Resonance Imaging. (nottingham.ac.uk)
Image shows tonsillar herniation with compression of the central canal at the craniocervical junction and resultant syringohydromyelia in the visualized portion of the cervical spinal cord. (medscape.com)

Finally, we tested if change in cognition mediated the effects of different brain pathologies on neuropsychiatric symptoms. (lu.se)

Gadolinium is retained for months or years in brain, bone, and other organs ( 5.4 ). (nih.gov)

Thus, MSCs were suggested as a promising candidate for ischemic brain injury patients[ 11 ]. (hindawi.com)
After studying post-mortem appendix samples from patients with PD, Braak found high levels of Lewy bodies in the appendix which were indistinguishable from those located in the brain 5 . (taconic.com)
Optimal care of these patients includes the prevention and control of post-traumatic seizures (PTS) in order to minimise secondary brain injury. (bvsalud.org)

Ischemic brain injury is associated with a high rate of mortality and disability with no effective therapeutic strategy. (hindawi.com)
We aim to provide the basis for establishing a future study to promote the clinical translation of stem cell therapy in ischemic brain diseases. (hindawi.com)
However, despite increasing knowledge of the physiologic, mechanistic, and imaging characterizations of the ischemic penumbra, no effective neuroprotective therapy has been found. (springer.com)
Perfusion-weighted imaging (PWI) can detect areas of hypoperfusion in early ischemic stroke but cannot yet reliably distinguish areas with benign oligemia from those with injurious hypoperfusion due to infarction. (msdmanuals.com)

1992 ) Impairment of long-term memory and sparing of short-term memory in monkeys with medial temporal lobe lesions: a response to Ringo. (neurotree.org)
1991 ) Stereotaxic lesions of the hippocampus in monkeys: determination of surgical coordinates and analysis of lesions using magnetic resonance imaging. (neurotree.org)

We need to understand how NfL levels relate to what the clinical presentation and imaging outcomes look like. (msif.org)
In front of an aggressive sellar and suprasellar lesion with a subacute clinical presentation, the main diagnoses are a pituitary carcinoma or aggressive adenoma, a pituitary metastasis of a carcinoma of unknown origin, or a solid craniopharyngioma. (medscape.com)

The mass was transsphenoidally partially resected, and the patient received gamma-knife radiotherapy on the residual lesion. (medscape.com)

During the course of his condition, the lesion shifted from a deep anterior to superficial posterior site. (lww.com)

Anatomy10

Diseases24

Chemicals and Drugs3

Analytical, Diagnostic and Therapeutic Techniques and Equipment25

Psychiatry and Psychology3

Phenomena and Processes4

Information Science4

Health Care9

Computed Tomography7

Cranial5

Cerebral9

Diffuse7

Tumors1

Modalities2

Neoplastic2

Findings11

Nuclear Magnetic2

Abnormalities5

Traumatic Brain4

Abnormal2

Tissue9

Diagnosis7

Onset3

Functional5

Multiple sclerosis5

Scan4

Hyperintense4

Neurology1

Inflammatory2

Scans2

Demyelination2

Fluid attenuat4

White17

Acute3

Sagittal5

Abstract1

Cortical1

Cerebrospinal fluid1

Spine1

Humans1

Perivascular3

Frontal1

Angular resolution diffusion2

Axial2

Biomarker1

FLAIR3

Focal1

Diagnostic1

Examination1

Atrophy1

Intracranial1

Cognitive4

Morphological1

Diffusion6

Patient's1

Visualization1

Deficits1

Tissues1

Clinically3

Enhancement3

Spinal cord2

Symptoms1

Gadolinium1

Patients3

Ischemic4

Monkeys2

Clinical presentation2

Residual1

Posterior1