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White matter lesions on brain

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https://www.readbyqxmd.com/read/28445282/a-case-report-of-sj%C3%A3-gren-syndrome-manifesting-bilateral-basal-ganglia-lesions
#1
Bing Niu, Zhenzhen Zou, Yuqin Shen, Bingzhen Cao
RATIONALE: Peripheral neurological complications in primary Sjögren's syndrome (pSS) seem the most common, however the involvement of central nervous system (CNS) remains unclear. While abnormalities in pSS revealed by brain magnetic resonance imaging (MRI) are usually small discrete hyperintense areas in the white matter on T2-FLAIR weighted MRI, massive brain lesions have been rarely reported, particularly in bilateral basal ganglia. PATIENT CONCERNS: A 51-year-old woman exhibited dizziness, slurred speech and hemiplegia as a manifestation of pSS...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28440255/clinical-profile-and-neuroimaging-in-pediatric-optic-neuritis-in-indian-population-a-case-series
#2
Rutika Khadse, Meenakshi Ravindran, Neelam Pawar, Padmavathy Maharajan, Ramakrishnan Rengappa
PURPOSE OF THE STUDY: The purpose of this study was to report clinical features, neuroimaging, and visual outcome in pediatric optic neuritis (ON) in Indian population. MATERIALS AND METHODS: This is a retrospective study of children up to the age of 16 years, diagnosed with ON, that presented at pediatric and neuroophthalmology clinic of a tertiary eye care center, in South India, within the period of 2010-2015. RESULTS: We identified 62 eyes of 40 children diagnosed as ON within the study period...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28438714/the-effect-of-morphological-and-microstructural-integrity-of-the-corpus-callosum-on-cognition-fatigue-and-depression-in-mildly-disabled-ms-patients
#3
Jeroen Van Schependom, Jeroen Gielen, Jorne Laton, Georgios Sotiropoulos, Anne-Marie Vanbinst, Johan De Mey, Dirk Smeets, Guy Nagels
Aim To assess the value of callosal morphological and microstructural integrity in assessing different cognitive domains, fatigue and depression in mildly disabled multiple sclerosis (MS) patients. MATERIALS AND METHODS: We assessed 29 mildly disabled MS patients and 15 healthy controls using 3T magnetic resonance images (T1-weighted, FLAIR and DTI) and neuropsychological tests assessing different cognitive functions, depression and fatigue. We compared the added value of morphological measures (corpus callosum area corrected for total intracranial volume, index, circularity and the more detailed thickness profile) and diffusion features (fractional anisotropy and mean diffusivity) in multilinear models including standard clinical and whole-brain parameters in assessing neuropsychological scores...
April 21, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28438556/the-brain-and-the-subjective-experience-of-time-a-voxel-based-symptom-lesion-mapping-study
#4
Luigi Trojano, Michelina Caccavale, Francesco De Bellis, Claudio Crisci
The aim of the study was to identify the anatomical bases involved in the subjective experience of time, by means of a voxel based symptom-lesion mapping (VLSM) study on patients with focal brain damage. Thirty-three patients (nineteen with right-hemisphere lesions -RBD, and fourteen with left lesion- LBD) and twenty-eight non-neurological controls (NNC) underwent the semi-structured QUEstionnaire for the Subjective experience of Time (QUEST) requiring retrospective and prospective judgements on self-relevant time intervals...
April 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28435763/toxoplasma-infection-in-an-immunocompetent-host-possible-risk-of-living-with-multiple-cats
#5
Halis Kaan Akturk, David Sotello, Allen Ameri, Ahmed S Abuzaid, Ana Marcella Rivas, Priyanka Vashisht
A 32-year-old man presented with agitation, headache, and confusion. He was immunocompetent and had been living with multiple cats for many years. His vital signs were stable. He was afebrile. Multiple blood tests did not show any serious problem. Brain magnetic resonance imaging (MRI) revealed multiple ring-enhancing white matter lesions. Cerebrospinal fluid analysis did not show any signs of infection. Based on a presumptive diagnosis of multiple sclerosis, high-dose corticosteroid treatment was started. However, this caused worsening of the symptoms and increased the size of the lesions...
March 19, 2017: Curēus
https://www.readbyqxmd.com/read/28432077/aerobic-exercise-promotes-executive-functions-and-impacts-functional-neural-activity-among-older-adults-with-vascular-cognitive-impairment
#6
Chun Liang Hsu, John R Best, Jennifer C Davis, Lindsay S Nagamatsu, Shirley Wang, Lara A Boyd, Gy Robin Hsiung, Michelle W Voss, Janice Jennifer Eng, Teresa Liu-Ambrose
BACKGROUND: Vascular cognitive impairment (VCI) results from cerebrovascular disease, and worldwide, it is the second most common type of cognitive dysfunction. While targeted aerobic training is a promising approach to delay the progression of VCI by reducing cardiometabolic risk factors, few randomised controlled trials to date have specifically assessed the efficacy of aerobic training on cognitive and brain outcomes in this group at risk for functional decline. AIM: To examine the effect of moderate-intensity aerobic training on executive functions and functional neural activity among older adults with mild subcortical ischaemic VCI (SIVCI)...
April 21, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28431605/global-brain-atrophy-and-metabolic-dysfunction-in-lgi1-encephalitis-a-prospective-multimodal-mri-study
#7
Monika Szots, Morten Blaabjerg, Gergely Orsi, Pernille Iversen, Daniel Kondziella, Camilla G Madsen, Ellen Garde, Peter O Magnusson, Peter Barsi, Ferenc Nagy, Hartwig R Siebner, Zsolt Illes
BACKGROUND: Chronic cognitive deficits are frequent in leucin-rich glioma-inactivated 1 protein (LGI1) encephalitis. We examined structural and metabolic brain abnormalities following LGI1 encephalitis and correlated findings with acute and follow-up clinical outcomes. METHODS: Nine patients underwent prospective multimodal 3 Tesla MRI 33.1±18months after disease onset, including automated volumetry, diffusion tensor imaging (DTI) and magnetic resonance spectroscopy (MRS)...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28430290/frequency-and-topography-of-small-cerebrovascular-lesions-in-vascular-and-in-mixed-dementia-a-post-mortem-7-tesla-magnetic-resonance-imaging-study-with-neuropathological-correlates
#8
Jacques De Reuck, Florent Auger, Nicolas Durieux, Vincent Deramecourt, Claude-Alain Maurage, Charlotte Cordonnier, Florence Pasquier, Didier Leys, Regis Bordet
<i><b>Introduction</b>: Mixed dementia (MixD) refers to a combination of definite Alzheimer's disease (AD) and vascular encephalopathy. The existence of a "pure" type of vascular dementia (VaD) is controversial. There is a need to find magnetic resonance imaging (MRI) characteristics allowing the distinction between VaD and MixD. The present post-mortem 7.0-tesla MRI compares the frequency or severity and the topography of the small cerebrovascular lesions in brains of patients with VaD and with MixD...
2017: Folia Neuropathologica
https://www.readbyqxmd.com/read/28428205/measurable-supratentorial-white-matter-volume-changes-in-patients-with-diffuse-intrinsic-pontine-glioma-treated-with-an-anti-vascular-endothelial-growth-factor-agent-steroids-and-radiation
#9
P Svolos, W E Reddick, A Edwards, A Sykes, Y Li, J O Glass, Z Patay
BACKGROUND AND PURPOSE: Assessing the response to treatment in infiltrative brain tumors by using lesion volume-based response criteria is challenging. We hypothesized that in such tumors, volume measurements alone may not accurately capture changes in actual tumor burden during treatment. We longitudinally evaluated volume changes in both normal-appearing supratentorial white matter and the brain stem lesions in patients treated for diffuse intrinsic pontine glioma to determine to what extent adjuvant systemic therapies may skew the accuracy of tumor response assessments based on volumetric analysis...
April 20, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28426648/pregnancy-swimming-causes-short-and-long-term-neuroprotection-against-hypoxia-ischemia-in-very-immature-rats
#10
Eduardo Farias Sanches, Luz Elena Duran Carabali, Andrea Tosta, Fabrício Nicola, Felipe Schmitz, André Rodrigues, Cassiana Siebert, Angela Wyse, Carlos Alexandre Netto
BACKGROUND: Hypoxia-ischemia (HI) is a major cause of neurological damage in preterm. Pregnancy swimming alters the pup's brain development. We tested the effects of swimming during pregnancy in the very immature rat brain. METHODS: Female Wistar rats (n=12) were assigned to sedentary (SE, n=6) or swimming groups (SW, n=6). From the gestational day 0 (DG0) to GD21 they performed 20 min/daily swimming sessions. HI on postnatal day 3 rat cause sensorimotor and cognitive impairments...
April 20, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28420817/association-of-kidney-dysfunction-with-asymptomatic-cerebrovascular-abnormalities-in-a-japanese-population-with-health-checkups
#11
Kaori Hayashi, Michiyo Takayama, Takeshi Kanda, Kazuhiro Kashiwagi, Akihito Hishikawa, Yasushi Iwao, Hiroshi Itoh
BACKGROUND: Cerebrovascular disease is a major cause of mortality and morbidity. Chronic kidney disease (CKD) is prevalent in stroke patients. This study evaluated the correlation between kidney dysfunction and asymptomatic findings on carotid ultrasonography (US) and brain magnetic resonance imaging (MRI) in a Japanese population with health checkups.Methods and Results:In total, 1,716 subjects aged 40-80 years, who received health checkups from January 1 to December 31, 2015, were included...
April 14, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28419506/neuronal-loss-demyelination-and-volume-change-in-the-multiple-sclerosis-neocortex
#12
D Carassiti, D R Altmann, N Petrova, B Pakkenberg, F Scaravilli, K Schmierer
AIMS: Indices of brain volume (grey matter, white matter, lesions) are being used as outcomes in clinical trials of patients with multiple sclerosis (MS). We investigated the relationship between cortical volume, the number of neocortical neurons estimated using stereology, and demyelination. METHODS: Nine MS and seven control hemispheres were dissected into coronal slices. On sections stained for Giemsa, the cortex was outlined and optical disectors applied using systematic uniform random sampling...
April 18, 2017: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/28413125/transient-dysautonomia-in-an-acute-phase-of-encephalopathy-with-biphasic-seizures-and-late-reduced-diffusion
#13
Yuko Ichimiya, Noriyuki Kaku, Yasunari Sakai, Fumiya Yamashita, Wakato Matsuoka, Mamoru Muraoka, Satoshi Akamine, Soichi Mizuguchi, Michiko Torio, Yoshitomo Motomura, Yuichiro Hirata, Yoshito Ishizaki, Masafumi Sanefuji, Hiroyuki Torisu, Hidetoshi Takada, Yoshihiko Maehara, Shouichi Ohga
Paroxysmal sympathetic hyperactivity (PSH) is a dysautonomic condition that is associated with various types of acquired brain injuries. Traumatic brain lesions have been documented as the leading cause of PSH. However, detailed clinical features of pediatric PSH caused by intrinsic brain lesions remain to be elusive. We present a 3-year-old boy, who had been diagnosed as having cerebral palsy, developmental delay and epilepsy after perinatal hypoxia-induced brain injury. He developed status epilepticus with fever on the third day of respiratory infection...
April 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28409356/flair-to-visualize-veins-in-white-matter-lesions-a-new-tool-for-the-diagnosis-of-multiple-sclerosis
#14
T Campion, R J P Smith, D R Altmann, G C Brito, B P Turner, J Evanson, I C George, P Sati, D S Reich, M E Miquel, K Schmierer
OBJECTIVE: To explore the potential of a post-processing technique combining FLAIR and T2* (FLAIR*) to distinguish between lesions caused by multiple sclerosis (MS) from cerebral small vessel disease (SVD) in a clinical setting. METHODS: FLAIR and T2* head datasets acquired at 3T of 25 people with relapsing MS (pwRMS) and ten with pwSVD were used. After post-processing, FLAIR* maps were used to determine the proportion of white matter lesions (WML) showing the 'vein in lesion' sign (VIL), a characteristic histopathological feature of MS plaques...
April 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28398505/cortical-remyelination-is-heterogeneous-in-multiple-sclerosis
#15
Eva M M Strijbis, Evert-Jan Kooi, Paul van der Valk, Jeroen J G Geurts
Cortical lesions (CLs) are an important component of multiple sclerosis (MS) pathology; they correlate better with physical disability and cognitive impairment than white matter lesions (WMLs). Because remyelination can be extensive in CLs, we quantified remyelination in gray matter (GM) and white matter (WM), addressing oligodendrocyte (OGD) maturation state and clinical relevance of remyelination. Brain tissue samples from 21 chronic MS patients were immunohistochemically stained for myelin proteolipid protein, Olig2, which is strongly expressed in OGD precursor cells (OPCs), but weakly expressed in mature OGDs and other OGD markers...
April 7, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28386689/corpus-callosum-involvement-a-useful-clue-for-differentiating-fabry-disease-from-multiple-sclerosis
#16
Sirio Cocozza, Gaia Olivo, Eleonora Riccio, Camilla Russo, Giuseppe Pontillo, Lorenzo Ugga, Silvia Migliaccio, Dario de Rosa, Sandro Feriozzi, Massimiliano Veroux, Yuri Battaglia, Daniela Concolino, Federico Pieruzzi, Antonino Tuttolomondo, Aurelio Caronia, Cinzia Valeria Russo, Roberta Lanzillo, Vincenzo Brescia Morra, Massimo Imbriaco, Arturo Brunetti, Enrico Tedeschi, Antonio Pisani
PURPOSE: Multiple sclerosis (MS) has been proposed as a possible differential diagnosis for Fabry disease (FD). The aim of this work was to evaluate the involvement of corpus callosum (CC) on MR images and its possible role as a radiological sign to differentiate between FD and MS. METHODS: In this multicentric study, we retrospectively evaluated the presence of white matter lesions (WMLs) on the FLAIR images of 104 patients with FD and 117 patients with MS. The incidence of CC-WML was assessed in the two groups and also in a subgroup of 37 FD patients showing neurological symptoms...
April 6, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28385827/lesion-location-and-cognitive-impact-of-cerebral-small-vessel-disease
#17
REVIEW
J Matthijs Biesbroek, Nick A Weaver, Geert Jan Biessels
Cerebral small vessel disease (SVD) is an important cause of cognitive impairment. Important MRI manifestations of SVD include white matter hyperintensities (WMH) and lacunes. This narrative review addresses the role of anatomical lesion location in the impact of SVD on cognition, integrating findings from early autopsy studies with emerging findings from recent studies with advanced image analysis techniques. Early autopsy and imaging studies of small case series indicate that single lacunar infarcts in, for example the thalamus, caudate nucleus or internal capsule can cause marked cognitive impairment...
April 25, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28381515/monophasic-demyelination-reduces-brain-growth-in-children
#18
Bérengère Aubert-Broche, Katrin Weier, Giulia Longoni, Vladimir S Fonov, Amit Bar-Or, Ruth Ann Marrie, E Ann Yeh, Sridar Narayanan, Douglas L Arnold, Leonard H Verhey, Brenda Banwell, D Louis Collins
OBJECTIVE: To investigate how monophasic acquired demyelinating syndromes (ADS) affect age-expected brain growth over time. METHODS: We analyzed 83 pediatric patients imaged serially from initial demyelinating attack: 18 with acute disseminated encephalomyelitis (ADEM) and 65 with other monophasic ADS presentations (monoADS). We further subdivided the monoADS group by the presence (n = 33; monoADSlesion) or absence (n = 32; monoADSnolesion) of T2 lesions involving the brain at onset...
April 5, 2017: Neurology
https://www.readbyqxmd.com/read/28381507/integrity-of-normal-appearing-white-matter-and-functional-outcomes-after-acute-ischemic-stroke
#19
Mark R Etherton, Ona Wu, Pedro Cougo, Anne-Katrin Giese, Lisa Cloonan, Kaitlin M Fitzpatrick, Allison S Kanakis, Gregoire Boulouis, Hasan H Karadeli, Arne Lauer, Jonathan Rosand, Karen L Furie, Natalia S Rost
OBJECTIVE: To characterize the effect of white matter microstructural integrity on cerebral tissue and long-term functional outcomes after acute ischemic stroke (AIS). METHODS: Consecutive AIS patients with brain MRI acquired within 48 hours of symptom onset and 90-day modified Rankin Scale (mRS) score were included. Acute infarct volume on diffusion-weighted imaging (DWIv) and white matter hyperintensity volume (WMHv) on T2 fluid-attenuated inversion recovery MRI were measured...
April 5, 2017: Neurology
https://www.readbyqxmd.com/read/28378288/development-of-cystic-malacia-after-high-dose-cranial-irradiation-of-pediatric-cns-tumors-in-long-term-follow-up
#20
Fumiyuki Yamasaki, Takeshi Takayasu, Ryo Nosaka, Ikuno Nishibuchi, Hiroshi Kawaguchi, Manish Kolakshyapati, Shumpei Onishi, Taiichi Saito, Kazuhiko Sugiyama, Masao Kobayashi, Kaoru Kurisu
PURPOSE: The purpose of this study is to investigate the incidence of cystic malacia in long-term survivors of pediatric brain tumors treated with high-dose cranial irradiation. MATERIALS AND METHODS: Between 1997 and 2015, we treated 41 pediatric patients (26 males, 15 females; age ranging from 3.3 to 15.7 years, median 9-year-old) of pediatric brain tumors [17 medulloblastomas, 7 primitive neuroectodermal tumors (PNET), 3 pineoblastomas, 6 non-germinomatous germ cell tumors (NGGCT), 8 gliomas (including 4 ependymomas, 1 anaplastic astrocytoma, 1 oligodendroglioma, 1 pilocytic astrocytoma, 1 astroblastoma)] with high-dose craniospinal irradiation...
April 4, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
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