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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/28912150/-18-f-fdg-pet-in-parkinsonism-differential-diagnosis-and-cognitive-impairment-in-parkinson-s-disease
#14
Philipp T Meyer, Lars Frings, Gerta Rücker, Sabine Hellwig
Accurate differential diagnosis of parkinsonism is of a paramount therapeutic and prognostic importance. In addition, with the development of invasive therapies and novel disease-specific therapies, strategies for patient enrichment in trial populations are of growing importance. Imaging disease-specific patterns of regional glucose metabolism with positron emission tomography and [(18)F]fluoro-2-deoxy-2-D-glucose ((18)F-FDG) allows for a highly accurate distinction between Parkinson's disease (PD) and atypical parkinsonian syndromes (APS) including multiple system atrophy (MSA), progressive supranuclear palsy (PSP) and corticobasal degeneration (CBD)...
September 14, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28872040/structural-magnetic-resonance-imaging-in-frontotemporal-lobar-dementia
#15
Anne Bertrand, Sebastian Stroër, Isabelle Le Ber, Marc Teichmann, Didier Dormont
Frontotemporal lobar dementia (FTLD) is a heterogeneous group of neurodegenerative diseases. FTLD encompass: 1) behavioral forms, sometimes associated with amyotrophic lateral sclerosis; 2) linguistic forms (semantic and non-fluent primary progressive aphasia); 3) atypical parkinsonian syndromes (progressive supranuclear palsy and corticobasal syndrome). Standard brain MRI allows for strengthening the clinical suspicion of FTLD, by showing a pattern of atrophy in relation with the patient's clinical symptoms: frontotemporal anterior atrophy in behavioral forms; temporopolar or inferior left frontal atrophy in the linguistic forms; mesencephalic or corticosubcortical hemispheric atrophy in forms with atypical pakinsonism...
September 1, 2017: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
https://www.readbyqxmd.com/read/28814462/-18-f-av-1451-binds-to-motor-related-subcortical-gray-and-white-matter-in-corticobasal-syndrome
#16
Hanna Cho, Min Seok Baek, Jae Yong Choi, Seung Ha Lee, Joong Seok Kim, Young Hoon Ryu, Myung Sik Lee, Chul Hyoung Lyoo
OBJECTIVE: To investigate tau distribution in patients with corticobasal syndrome (CBS) using (18)F-AV-1451 PET. METHODS: Six consecutively recruited patients with CBS and 20 age-matched healthy controls underwent 2 PET scans with (18)F-AV-1451 (for tau) and (18)F-florbetaben (for β-amyloid). We compared standardized uptake value ratio maps of the (18)F-AV-1451 PET images between the patients with CBS and controls. RESULTS: Compared to controls, patients with CBS exhibited asymmetrically increased (18)F-AV-1451 binding in the putamen, globus pallidus, and thalamus contralateral to the clinically more affected side and in the ipsilateral globus pallidus and dentate nucleus...
September 12, 2017: Neurology
https://www.readbyqxmd.com/read/28805573/nonmotor-features-in-atypical-parkinsonism
#17
Kailash P Bhatia, Maria Stamelou
Atypical parkinsonism (AP) comprises mainly multiple system atrophy (MSA), progressive supranuclear palsy (PSP), and corticobasal degeneration (CBD), which are distinct pathological entities, presenting with a wide phenotypic spectrum. The classic syndromes are now called MSA-parkinsonism (MSA-P), MSA-cerebellar type (MSA-C), Richardson's syndrome, and corticobasal syndrome. Nonmotor features in AP have been recognized almost since the initial description of these disorders; however, research has been limited...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28803444/atypical-parkinsonian-syndromes-a-general-neurologist-s-perspective
#18
REVIEW
Angela B Deutschländer, Owen A Ross, Dennis W Dickson, Zbigniew K Wszolek
The differential diagnosis of atypical parkinsonian syndromes is challenging. These severe and often rapidly progressive neurodegenerative disorders are clinically heterogeneous and show significant phenotypic overlap. Here we review clinical, imaging, neuropathologic and genetic features of multiple system atrophy (MSA), progressive supranuclear palsy (PSP), corticobasal degeneration (CBD), and frontotemporal lobar degeneration (FTLD). The terms CBD and FTLD refer to pathologically confirmed cases of corticobasal syndrome (CBS) and frontotemporal dementia (FTD)...
August 12, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28754841/in-vivo-retention-of-18-f-av-1451-in-corticobasal-syndrome
#19
Ruben Smith, Michael Schöll, Håkan Widner, Danielle van Westen, Per Svenningsson, Douglas Hägerström, Tomas Ohlsson, Jonas Jögi, Christer Nilsson, Oskar Hansson
OBJECTIVE: To study the usefulness of (18)F-AV-1451 PET in patients with corticobasal syndrome (CBS). METHODS: We recruited 8 patients with CBS, 17 controls, 31 patients with Alzheimer disease (AD), and 11 patients with progressive supranuclear palsy (PSP) from the Swedish BioFINDER study. All patients underwent clinical assessment, (18)F-AV-1451 PET, MRI, and quantification of β-amyloid pathology. A subset of participants also underwent (18)F-FDG-PET. RESULTS: In the 8 patients with CBS, 6 had imaging findings compatible with the corticobasal degeneration pathology and 2 with typical AD pathology...
August 22, 2017: Neurology
https://www.readbyqxmd.com/read/28707717/an-autopsied-case-of-corticobasal-degeneration-presenting-with-frontotemporal-dementia-followed-by-myoclonus
#20
Yasushi Iwasaki, Keiko Mori, Masumi Ito, Maya Mimuro, Mari Yoshida
A Japanese woman developed frontotemporal dementia (FTD)-like symptoms of abnormal behavior, such as stereotyped behavior and disinhibition. The patient developed these symptoms at the age of 59 years, although aphasia symptoms were not apparent at early disease stages. Progressive parkinsonism was dominant on the left side, and conspicuous myoclonus was recognized in the late disease stage. MRI indicated severe, right side-dominant frontotemporal lobe atrophy with white matter degeneration. Brainstem and cerebellar atrophy were also observed...
July 14, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
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