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Corticobasal syndrome

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https://www.readbyqxmd.com/read/29307007/neurophysiology-and-neurochemistry-of-corticobasal-syndrome
#1
REVIEW
Aditya A Murgai, Mandar S Jog
Corticobasal syndrome is a rare neurodegenerative disorder, which presents with a progressive, asymmetrical, akinetic rigid syndrome and early cortical signs. However, clinical, pathological, and electrophysiological heterogeneity makes the understanding of this syndrome challenging. Corticobasal syndrome can have various pathological substrates including corticobasal degeneration, Alzheimer's disease, Fronto-temporal degeneration with TDP inclusions, Creutzfeldt-Jakob disease, and progressive supranuclear palsy (PSP)...
January 6, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29306357/apathy-in-corticobasal-degeneration-possible-parietal-involvement
#2
Rita Moretti, R Caberlotto, R Signori
Corticobasal degeneration is a rare disorder, which usually consists of a combination of complex movement disorders, apraxia and cortical changes. Its definition is still evolving and in 2013 an international consortium tried to develop new criteria, based on a systematic literature review. Over a long period of time, we carefully selected 23 patients who fulfilled the criteria for a diagnosis of corticobasal degeneration; all had the so-called corticobasal syndrome phenotype, in accordance with Armstrong et al...
October 2017: Functional Neurology
https://www.readbyqxmd.com/read/29282340/-from-involuntary-movements-to-movement-disorders
#3
Toshio Fukutake
Apart from the term 'involuntary movements', the term 'movement disorders' encompasses not only classical hyperkinesias but also hypokinesias including catalepsy or apraxia. It enables us to understand abnormal movements by their phenomena instead of by their localization. To advance the grasping of movement disorders, we discuss the clinical and pathophysiological features of abnormal movements in catatonia/catalepsy, anti-NMDAR encephalitis, paroxysmal dyskinesias, stiff person/leg syndrome, corticobasal degeneration/syndrome, and hysteria...
December 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29223682/neocortical-origin-and-progression-of-gray-matter-atrophy-in-nonamnestic-alzheimer-s-disease
#4
Jeffrey S Phillips, Fulvio Da Re, Laynie Dratch, Sharon X Xie, David J Irwin, Corey T McMillan, Sanjeev N Vaishnavi, Carlo Ferrarese, Edward B Lee, Leslie M Shaw, John Q Trojanowski, David A Wolk, Murray Grossman
Amnestic Alzheimer's disease (AD) is characterized by early atrophy of the hippocampus and medial temporal lobes before spreading to the neocortex. In contrast, nonamnestic Alzheimer's patients have relative sparing of the hippocampus, but the pattern in which the disease spreads is unclear. We examined spreading disease in nonamnestic AD using a novel magnetic resonance imaging-based analysis adapted from pathologic staging studies, applied here to cross-sectional imaging data. We selected 240 T1-weighted scans from 129 patients with pathology confirmed by autopsy or cerebrospinal fluid, and atrophy maps were computed relative to 238 scans from 115 elderly controls...
November 21, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29195744/discrimination-of-atypical-parkinsonisms-with-transcranial-magnetic-stimulation
#5
Alberto Benussi, Valentina Dell'Era, Valentina Cantoni, Clarissa Ferrari, Salvatore Caratozzolo, Luca Rozzini, Antonella Alberici, Alessandro Padovani, Barbara Borroni
BACKGROUND: Differential diagnosis of atypical parkinsonian disorders, i.e. dementia with Lewy bodies (DLB), progressive supranuclear palsy (PSP) or corticobasal syndrome (CBS) still remains problematic. Furthermore, DLB may overlap with Alzheimer's disease (AD) in the early stages of disease. OBJECTIVE: To determine whether transcranial magnetic stimulation (TMS) can be used to classify atypical parkinsonian disorders and AD. METHODS: A paired-pulse TMS multi-paradigm approach assessing multiple intracortical circuits, as short interval intracortical inhibition-facilitation and short latency afferent inhibition, was used to model a decision tree analysis and determine diagnostic accuracy in classifying different neurodegenerative disorders...
November 22, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29157745/differential-diagnosis-of-parkinsonian-syndromes-using-dopamine-transporter-and-perfusion-spect
#6
Shigetoshi Takaya, Nobukatsu Sawamoto, Tomohisa Okada, Gosuke Okubo, Sei Nishida, Kaori Togashi, Hidenao Fukuyama, Ryosuke Takahashi
OBJECTIVE: We aimed to assess whether a combined analysis of dopamine transporter (DAT)- and perfusion-SPECT images (or either) could: (1) distinguish atypical parkinsonian syndromes (APS) from Lewy body diseases (LBD; majority Parkinson disease [PD]), and (2) differentiate among APS subgroups (progressive supranuclear palsy [PSP], corticobasal syndrome [CBS], and multiple system atrophy [MSA]). METHODS: We recruited consecutive patients with neurodegenerative parkinsonian syndromes (LBD, n = 46; APS, n = 33)...
November 14, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29153271/subacute-corticobasal-syndrome-following-internal-carotid-endarterectomy
#7
A Marques, N Bourgois, T Vidal, A Ferrier, S Mathais, C Merlin, C Valla, E De Schlichting, B Jean, D Deffond, F Durif
The present report is of two patients who, immediately after internal carotid endarterectomy, presented with unexplained hemiplegia, despite normal findings on repeated MRI scans, which secondarily evolved into homolateral subacute corticobasal syndrome (CBS), with asymmetrical hemispheric hypometabolism and evidence of dopaminergic denervation. This prompted us to propose an hypothesis of transient cerebral hypoxia arising during the surgical clamping period that might have provoked a prolonged or permanent functional lesion of the left hemisphere and basal ganglia, with no visible infarction on MRI but only synaptic rearrangement of the neural networks, thereby revealing or exacerbating a potentially preexisting silent impairment...
November 15, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/29122458/adult-onset-leukoencephalopathy-with-axonal-spheroids-and-pigmented-glia-alsp-integrating-the-literature-on-hereditary-diffuse-leukoencephalopathy-with-spheroids-hdls-and-pigmentary-orthochromatic-leukodystrophy-pold
#8
REVIEW
Scott J Adams, Andrew Kirk, Roland N Auer
Adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP) is a progressive degenerative white matter disorder. ALSP was previously recognized as two distinct entities, hereditary diffuse leukoencephalopathy with spheroids (HDLS) and pigmentary orthochromatic leukodystrophy (POLD). However, recent identification of mutations in the tyrosine kinase domain of the colony stimulating factor 1 receptor (CSF1R) gene, which regulates mononuclear cell lineages including microglia, have provided genetic and mechanistic evidence that POLD and HDLS should be regarded as a single clinicopathologic entity...
November 6, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29113604/tau-accumulation-in-two-patients-with-frontotemporal-lobe-degeneration-showing-different-types-of-aphasia-using-18f-thk-5351-positron-emission-tomography-a-case-report
#9
Masahiko Takaya, Kazunari Ishii, Chisa Hosokawa, Kazumasa Saigoh, Osamu Shirakawa
Tau deposits in Alzheimer's disease and corticobasal syndrome have been reported using 18F-THK-5351 positron emission tomography (PET). To our knowledge, our study is the first to demonstrate tau deposits in patients with frontotemporal lobe degeneration (FTLD), using 18F-THK-5351 PET. This case report presents two patients, both of whom showed positive Tau deposition using 18F-THK-5351 PET. One patient was diagnosed with semantic variant primary progressive aphasia (PPA) and the other diagnosed with logopenic variant PPA...
November 8, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/29103031/transcranial-sonography-in%C3%A2-neurodegenerative-diseases-with-cognitive-decline
#10
Silvia Favaretto, Uwe Walter, Claudio Baracchini, Annachiara Cagnin
Transcranial sonography (TCS) of the brain parenchyma detects alterations in the substantia nigra (SN), raphe nuclei, and basal ganglia; this technique has been established as a tool for the early diagnosis of Parkinson's disease and differential diagnosis from atypical parkinsonian syndromes. Here, we aimed to review the main applications of TCS in neurodegenerative diseases presenting with dementia syndrome, focusing on Alzheimer's disease (AD), dementia with Lewy bodies (DLB), frontotemporal lobar degeneration, idiopathic normal pressure hydrocephalus, and atypical and secondary parkinsonisms...
November 1, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29099286/fdg-pet-in-creutzfeldt-jakob-disease-analysis-of-clinical-pet-correlation
#11
Dimitri Renard, Giovanni Castelnovo, Laurent Collombier, Eric Thouvenot, Vincent Boudousq
OBJECTIVE: To assess the relationship between clinical pattern and cerebral glucose metabolism on [18F]fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET) in Creutzfeldt-Jakob disease (CJD). METHODS: Predefined clinical signs (ataxia, visual, pyramidal, myoclonus, limb apraxia, limb dystonia, sensory, parkinsonism, and corticobasal syndrome [CBS]) and FDG-PET data were assessed in consecutive CJD patients. Two types of statistical parametric mapping (SPM) analyses, using stringent level of significance p<0...
November 3, 2017: Prion
https://www.readbyqxmd.com/read/29077801/introduction-to-the-special-issue-on-clinical-neuropsychology-of-movement-disorders
#12
Alexander I Tröster
The special issue on the clinical neuropsychology of movement disorders provides an overview for the non-subspecialist clinical neuropsychologist and other clinical neuroscientists of the neuropsychological features, assessment and treatment of Parkinson's disease and Lewy body dementias, atypical parkinsonian disorders (corticobasal syndrome, progressive supranuclear palsy, and multiple system atrophy), Huntington's disease, dystonia, and amyotrophic lateral sclerosis. Additionally, articles provide overviews of neuropsychological and ethical issues related to deep brain stimulation and a discussion of non-pharamcologic and non-invasive treatment of cognitive dysfunction in Parkinson's disease...
November 1, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29053860/clinicopathological-correlations-in-behavioural-variant-frontotemporal-dementia
#13
David C Perry, Jesse A Brown, Katherine L Possin, Samir Datta, Andrew Trujillo, Anneliese Radke, Anna Karydas, John Kornak, Ana C Sias, Gil D Rabinovici, Maria Luisa Gorno-Tempini, Adam L Boxer, Mary De May, Katherine P Rankin, Virginia E Sturm, Suzee E Lee, Brandy R Matthews, Aimee W Kao, Keith A Vossel, Maria Carmela Tartaglia, Zachary A Miller, Sang Won Seo, Manu Sidhu, Stephanie E Gaus, Alissa L Nana, Jose Norberto S Vargas, Ji-Hye L Hwang, Rik Ossenkoppele, Alainna B Brown, Eric J Huang, Giovanni Coppola, Howard J Rosen, Daniel Geschwind, John Q Trojanowski, Lea T Grinberg, Joel H Kramer, Bruce L Miller, William W Seeley
Accurately predicting the underlying neuropathological diagnosis in patients with behavioural variant frontotemporal dementia (bvFTD) poses a daunting challenge for clinicians but will be critical for the success of disease-modifying therapies. We sought to improve pathological prediction by exploring clinicopathological correlations in a large bvFTD cohort. Among 438 patients in whom bvFTD was either the top or an alternative possible clinical diagnosis, 117 had available autopsy data, including 98 with a primary pathological diagnosis of frontotemporal lobar degeneration (FTLD), 15 with Alzheimer's disease, and four with amyotrophic lateral sclerosis who lacked neurodegenerative disease-related pathology outside of the motor system...
October 6, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28987182/tauopathies
#14
Gabor G Kovacs
Tauopathies are neurodegenerative disorders characterized by the deposition of abnormal tau protein in the brain. The spectrum of tau pathologies expands beyond the traditionally discussed disease forms like Pick disease, progressive supranuclear palsy, corticobasal degeneration, and argyrophilic grain disease. Emerging entities and pathologies include globular glial tauopathies, primary age-related tauopathy, which includes neurofibrillary tangle dementia, chronic traumatic encephalopathy (CTE), and aging-related tau astrogliopathy...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28978658/the-social-and-economic-burden-of-frontotemporal-degeneration
#15
James E Galvin, David H Howard, Sharon S Denny, Susan Dickinson, Nadine Tatton
OBJECTIVE: To quantify the socioeconomic burden of frontotemporal degeneration (FTD) compared to previously published data for Alzheimer disease (AD). METHODS: A 250-item internet survey was administered to primary caregivers of patients with behavioral-variant FTD (bvFTD), primary progressive aphasia, FTD with motor neuron disease, corticobasal syndrome, or progressive supranuclear palsy. The survey included validated scales for disease staging, behavior, activities of daily living, caregiver burden, and health economics, as well as investigator-designed questions to capture patient and caregiver experience with FTD...
October 4, 2017: Neurology
https://www.readbyqxmd.com/read/28961692/the-neuropsychology-broadly-conceived-of-multiple-system-atrophy-progressive-supranuclear-palsy-and-corticobasal-degeneration
#16
Adam Gerstenecker
Objective: To review the cognitive and behavioral features of the different atypical parkinsonian syndromes in which motor symptoms dominate early clinical symptomology: multiple systems atrophy (MSA), progressive supranuclear palsy (PSP), and corticobasal degeneration (CBD). The impact of cognitive and behavioral deficits on quality of life, associations between neuropsychological and neuropsychiatric findings and brain imaging, and cognitive and behavioral symptom management are also discussed...
November 1, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28944256/depressive-symptoms-are-frequent-in-atypical-parkinsonian-disorders
#17
Leonardo Almeida, Bilal Ahmed, Roger Walz, Sol De Jesus, Addie Patterson, Daniel Martinez-Ramirez, David Vaillancourt, Dawn Bowers, Herbert Ward, Michael S Okun, Nikolaus R McFarland
OBJECTIVE: To compare the incidence and prevalence of depressive symptoms in atypical parkinsonian (APD) syndromes versus Parkinson disease (PD). METHODS: In a large retrospective patient cohort we analyzed the incidence and prevalence of depressive symptoms using the Beck Depression Inventory (BDI) and evaluated subjects longitudinally on subsequent visits. For individuals who followed in subsequent visits we calculated incidence rates in person-years as a measure of incidence...
March 2017: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/28923025/intrafamilial-phenotypic-heterogeneity-in-a-taiwanese-family-with-a-mapt-p-r5h-mutation-a-case-report-and-literature-review
#18
Hui-Chi Lin, Chin-Hsien Lin, Pei-Lung Chen, Shih-Jung Cheng, Pei-Hao Chen
BACKGROUND: Frontotemporal degeneration (FTD) is a clinically and genetically heterogeneous neurodegenerative disorder characterized by deficits in executive function that frequently overlaps with parkinsonism and motor neuron disorders. Several genes have been identified to cause autosomal dominant forms of FTD, including the gene coding for the protein associated with microtubule tau (MAPT). While most reported pathogenic mutations in MAPT occur in exons 9-13, few families have been reported with mutations outside of this region...
September 18, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28922189/acr-acnm-practice-parameter-for-the-performance-of-dopamine-transporter-dat-single-photon-emission-computed-tomography-spect-imaging-for-movement-disorders
#19
Rathan M Subramaniam, Kirk A Frey, Christopher H Hunt, Gustavo A Mercier, Lilja B Solnes, Patrick M Colletti, Yang Lu, Bital Savir-Baruch, Hadyn T Williams
This American College of Radiology and American College of Nuclear Medicine joint clinical practice parameter is for performance of dopamine transporter single photon emission computed tomography (SPECT) imaging, for patients with movement disorders. Parkinsonian syndrome (PS) consists of a group of neurodegenerative diseases including Parkinson disease (PD), progressive supranuclear palsy (PSP), multiple system atrophy (MSA), corticobasal degeneration (CBD), and dementia with Lewy bodies (DLB). Accurate diagnosis of PS is critical for clinical management...
November 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28915852/a-novel-frameshift-grn-mutation-results-in-frontotemporal-lobar-degeneration-with-a-distinct-clinical-phenotype-in-two-siblings-case-report-and-literature-review
#20
Takashi Hosaka, Kazuhiro Ishii, Takeshi Miura, Naomi Mezaki, Kensaku Kasuga, Takeshi Ikeuchi, Akira Tamaoka
BACKGROUND: Progranulin gene (GRN) mutations are major causes of frontotemporal lobar degeneration. To date, 68 pathogenic GRN mutations have been identified. However, very few of these mutations have been reported in Asians. Moreover, some GRN mutations manifest with familial phenotypic heterogeneity. Here, we present a novel GRN mutation resulting in frontotemporal lobar degeneration with a distinct clinical phenotype, and we review reports of GRN mutations associated with familial phenotypic heterogeneity...
September 15, 2017: BMC Neurology
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