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https://www.readbyqxmd.com/read/28410663/frontotemporal-dementia
#1
REVIEW
Nicholas T Olney, Salvatore Spina, Bruce L Miller
Frontotemporal dementia (FTD) is a heterogeneous disorder with distinct clinical phenotypes associated with multiple neuropathologic entities. Presently, the term FTD encompasses clinical disorders that include changes in behavior, language, executive control, and often motor symptoms. The core FTD spectrum disorders include behavioral variant FTD, nonfluent/agrammatic variant primary progressive aphasia, and semantic variant PPA. Related FTD disorders include frontotemporal dementia with motor neuron disease, progressive supranuclear palsy syndrome, and corticobasal syndrome...
May 2017: Neurologic Clinics
https://www.readbyqxmd.com/read/28390475/corrigendum-to-gray-and-white-matter-structural-changes-in-corticobasal-syndrome-neurobiol-aging-37-2016-82-90
#2
Neeraj Upadhyay, Antonio Suppa, Maria Cristina Piattella, Flavio Di Stasio, Nikolaos Petsas, Claudio Colonnese, Carlo Colosimo, Alfredo Berardelli, Patrizia Pantano
No abstract text is available yet for this article.
May 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28389938/combined-visual-and-semi-quantitative-assessment-of-123-i-fp-cit-spect-for-the-diagnosis-of-dopaminergic-neurodegenerative-diseases
#3
Jun Ueda, Hajime Yoshimura, Keiji Shimizu, Megumu Hino, Nobuo Kohara
Visual and semi-quantitative assessments of (123)I-FP-CIT single-photon emission computed tomography (SPECT) are useful for the diagnosis of dopaminergic neurodegenerative diseases (dNDD), including Parkinson's disease, dementia with Lewy bodies, progressive supranuclear palsy, multiple system atrophy, and corticobasal degeneration. However, the diagnostic value of combined visual and semi-quantitative assessment in dNDD remains unclear. Among 239 consecutive patients with a newly diagnosed possible parkinsonian syndrome who underwent (123)I-FP-CIT SPECT in our medical center, 114 patients with a disease duration less than 7 years were diagnosed as dNDD with the established criteria or as non-dNDD according to clinical judgment...
April 7, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28386688/beyond-the-midbrain-atrophy-wide-spectrum-of-structural-mri-finding-in-cases-of-pathologically-proven-progressive-supranuclear-palsy
#4
REVIEW
Keita Sakurai, Aya M Tokumaru, Keigo Shimoji, Shigeo Murayama, Kazutomi Kanemaru, Satoru Morimoto, Ikuko Aiba, Motoo Nakagawa, Yoshiyuki Ozawa, Masashi Shimohira, Noriyuki Matsukawa, Yoshio Hashizume, Yuta Shibamoto
PURPOSE: Recently, it has been recognized that pathologically proven progressive supranuclear palsy (PSP) cases are classified into various clinical subtypes with non-uniform symptoms and imaging findings. This article reviews essential imaging findings, general information, and advanced magnetic resonance imaging (MRI) techniques for PSP and presents these MRI findings of pathologically proven typical and atypical PSP cases for educational purposes. METHODS: With the review of literatures, notably including atypical pathologically proven PSP cases, MRI and clinical information of 15 pathologically proven typical and atypical PSP cases were retrospectively evaluated...
April 6, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28378615/the-utility-of-fdg-pet-in-the-differential-diagnosis-of-parkinsonism
#5
Leposava Brajkovic, Vladimir Kostic, Dragana Sobic-Saranovic, Elka Stefanova, Milica Jecmenica-Lukic, Ana Jesic, Milica Stojiljkovic, Strahinja Odalovic, Francesca Gallivanone, Isabella Castiglioni, Branislava Radovic, Goran Trajkovic, Vera Artiko
INTRODUCTION: Differential diagnosis of parkinsonian disorders can be difficult on clinical grounds, especially in the early stage. Recent advancements in 18-F-fluorodeoxyglucose positron emission tomography (FDG-PET) imaging reveals different patterns of regional glucose metabolism in idiopathic Parkinson's disease (IPD) and atypical parkinsonian syndromes, such as multiple system atrophy (MSA), progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS), which may help differentiating between these conditions...
April 5, 2017: Neurological Research
https://www.readbyqxmd.com/read/28360997/imaging-biomarkers-in-parkinson-s-disease-and-parkinsonian-syndromes-current-and-emerging-concepts
#6
REVIEW
Usman Saeed, Jordana Compagnone, Richard I Aviv, Antonio P Strafella, Sandra E Black, Anthony E Lang, Mario Masellis
Two centuries ago in 1817, James Parkinson provided the first medical description of Parkinson's disease, later refined by Jean-Martin Charcot in the mid-to-late 19th century to include the atypical parkinsonian variants (also termed, Parkinson-plus syndromes). Today, Parkinson's disease represents the second most common neurodegenerative disorder with an estimated global prevalence of over 10 million. Conversely, atypical parkinsonian syndromes encompass a group of relatively heterogeneous disorders that may share some clinical features with Parkinson's disease, but are uncommon distinct clinicopathological diseases...
2017: Translational Neurodegeneration
https://www.readbyqxmd.com/read/28322905/bilingualism-delays-the-onset-of-behavioral-but-not-aphasic-forms-of-frontotemporal-dementia
#7
Suvarna Alladi, Thomas H Bak, Mekala Shailaja, Divyaraj Gollahalli, Amulya Rajan, Bapiraju Surampudi, Michael Hornberger, Vasanta Duggirala, Jaydip Ray Chaudhuri, Subhash Kaul
Bilingualism has been found to delay onset of dementia and this has been attributed to an advantage in executive control in bilinguals. However, the relationship between bilingualism and cognition is complex, with costs as well as benefits to language functions. To further explore the cognitive consequences of bilingualism, the study used Frontotemporal dementia (FTD) syndromes, to examine whether bilingualism modifies the age at onset of behavioral and language variants of Frontotemporal dementia (FTD) differently...
March 18, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28318985/functional-disconnection-of-thalamic-and-cerebellar-dentate-nucleus-networks-in-progressive-supranuclear-palsy-and-corticobasal-syndrome
#8
Neeraj Upadhyay, Antonio Suppa, Maria Cristina Piattella, Costanza Giannì, Matteo Bologna, Flavio Di Stasio, Nikolaos Petsas, Francesca Tona, Giovanni Fabbrini, Alfredo Berardelli, Patrizia Pantano
AIM: To assess functional rearrangement following neurodegeneration in the thalamus and dentate nucleus in patients with progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS). METHODS: We recruited 19 patients with PSP, 11 with CBS and 14 healthy subjects. All the subjects underwent resting-state (rs) fMRI using a 3T system. Whole brain functional connectivity of the thalamus and dentate nucleus were calculated by means of a seed-based approach with FEAT script in FSL toolbox...
March 15, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28318282/altered-resting-state-eeg-complexity-in-children-with-tourette-syndrome-a-preliminary-study
#9
Wen-Chin Weng, Chi-Feng Chang, Lee Chin Wong, Jui-Hsiang Lin, Wang-Tso Lee, Jiann-Shing Shieh
OBJECTIVE: Tourette syndrome is a developmental neuropsychiatric disorder in children, and abnormal corticobasal ganglion connectivity is implied for the pathophysiology. Multiscale entropy, an entropy-based method to measure dynamic complexity at multiple temporal scales, is helpful to disclose the information of brain connectivity. This preliminary study investigated the complexity of resting-state electroencephalogram signals using multiscale entropy in children with Tourette syndrome...
March 20, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28268100/intrafamilial-variable-phenotype-including-corticobasal-syndrome-in-a-family-with-p-p301l-mutation-in-the-mapt-gene-first-report-in-south-america
#10
Emilia M Gatto, Ricardo F Allegri, Gustavo Da Prat, Patricio Chrem Mendez, David S Hanna, Michael O Dorschner, Ezequiel I Surace, Cyrus P Zabetian, Ignacio F Mata
Frontotemporal lobar degeneration is a neuropathological disorder that causes a variety of clinical syndromes including frontotemporal dementia (FTD), progressive supranuclear palsy, and corticobasal syndrome (CBS). FTD associated with parkinsonism occurs frequently as a result of mutations in the C9orf72 gene and also in the genes coding for the protein associated with microtubule tau (MAPT) and progranulin (GRN) on chromosome 17 (FTDP-17). Herein, we report an Argentinean family, of Basque ancestry, with an extensive family history of behavioral variant of FTD...
May 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28259709/consensus-classification-of-posterior-cortical-atrophy
#11
Sebastian J Crutch, Jonathan M Schott, Gil D Rabinovici, Melissa Murray, Julie S Snowden, Wiesje M van der Flier, Bradford C Dickerson, Rik Vandenberghe, Samrah Ahmed, Thomas H Bak, Bradley F Boeve, Christopher Butler, Stefano F Cappa, Mathieu Ceccaldi, Leonardo Cruz de Souza, Bruno Dubois, Olivier Felician, Douglas Galasko, Jonathan Graff-Radford, Neill R Graff-Radford, Patrick R Hof, Pierre Krolak-Salmon, Manja Lehmann, Eloi Magnin, Mario F Mendez, Peter J Nestor, Chiadi U Onyike, Victoria S Pelak, Yolande Pijnenburg, Silvia Primativo, Martin N Rossor, Natalie S Ryan, Philip Scheltens, Timothy J Shakespeare, Aida Suárez González, David F Tang-Wai, Keir X X Yong, Maria Carrillo, Nick C Fox
INTRODUCTION: A classification framework for posterior cortical atrophy (PCA) is proposed to improve the uniformity of definition of the syndrome in a variety of research settings. METHODS: Consensus statements about PCA were developed through a detailed literature review, the formation of an international multidisciplinary working party which convened on four occasions, and a Web-based quantitative survey regarding symptom frequency and the conceptualization of PCA...
March 2, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28243754/differentiation-of-atypical-parkinson-syndromes
#12
REVIEW
Günter U Höglinger, Jan Kassubek, Ilona Csoti, Reinhard Ehret, Heinz Herbst, Ingmar Wellach, Jürgen Winkler, Wolfgang H Jost
In distinction to idiopathic Parkinson's disease (PD), the diagnosis of atypical Parkinson syndromes comprises dementia with Lewy bodies (DLB), multiple system atrophy (MSA), progressive supranuclear palsy (PSP), and corticobasal degeneration (CBD). We set out to write a state-of-the-art guideline as to which investigations and examinations help to differentiate PD vs. atypical Parkinson syndromes in clinical routine.
February 27, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28241163/association-of-in-vivo-18f-av-1451-tau-pet-imaging-results-with-cortical-atrophy-and-symptoms-in-typical-and-atypical-alzheimer-disease
#13
Chenjie Xia, Sara J Makaretz, Christina Caso, Scott McGinnis, Stephen N Gomperts, Jorge Sepulcre, Teresa Gomez-Isla, Bradley T Hyman, Aaron Schultz, Neil Vasdev, Keith A Johnson, Bradford C Dickerson
Importance: Previous postmortem studies have long demonstrated that neurofibrillary tangles made of hyperphosphorylated tau proteins are closely associated with Alzheimer disease clinical phenotype and neurodegeneration pattern. Validating these associations in vivo will lead to new diagnostic tools for Alzheimer disease and better understanding of its neurobiology. Objective: To examine whether topographical distribution and severity of hyperphosphorylated tau pathologic findings measured by fluorine 18-labeled AV-1451 ([18F]AV-1451) positron emission tomographic (PET) imaging are linked with clinical phenotype and cortical atrophy in patients with Alzheimer disease...
April 1, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28236526/-atypical-atypical-parkinsonism-critical-appraisal-of-a-cohort
#14
Stephanie T Hirschbichler, Roberto Erro, Christos Ganos, Maria Stamelou, Amit Batla, Bettina Balint, Kailash P Bhatia
BACKGROUND: Atypical parkinsonian conditions such as multiple system atrophy (MSA), progressive supranuclear palsy (PSP), corticobasal syndrome (CBS) and Dementia with Lewy bodies (DLB) comprise 10-15% of parkinsonian syndromes. Misdiagnosis with Parkinson disease (PD) and within the entities is common, given the absence of reliable biomarkers. However a correct diagnosis is not only important in clinical practice, but also crucial for any trial attempting to identify biomarkers or new treatments...
December 14, 2016: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28222300/free-and-cued-selective-reminding-test-accuracy-for-the-differential-diagnosis-of-alzheimer-s-and-neurodegenerative-diseases-a-large-scale-biomarker-characterized-monocenter-cohort-study-clinad
#15
Marc Teichmann, Stéphane Epelbaum, Dalila Samri, Marcel Levy Nogueira, Agnès Michon, Harald Hampel, Foudil Lamari, Bruno Dubois
INTRODUCTION: The International Working Group recommended the Free and Cued Selective Reminding Test (FCSRT) as a sensitive detector of the amnesic syndrome of the hippocampal type in typical Alzheimer's disease (AD). But does it differentiate AD from other neurodegenerative diseases? METHODS: We assessed the FCSRT and cerebrospinal fluid (CSF) AD biomarkers in 992 cases. Experts, blinded to biomarker data, attributed in 650 cases a diagnosis of typical AD, frontotemporal dementia, posterior cortical atrophy, Lewy body disease, progressive supranuclear palsy, corticobasal syndrome, primary progressive aphasias, "subjective cognitive decline," or depression...
February 21, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28214264/identification-of-candidate-cerebrospinal-fluid-biomarkers-in-parkinsonism-using-quantitative-proteomics
#16
N K Magdalinou, A J Noyce, R Pinto, E Lindstrom, J Holmén-Larsson, M Holtta, K Blennow, H R Morris, T Skillbäck, T T Warner, A J Lees, I Pike, M Ward, H Zetterberg, J Gobom
INTRODUCTION: Neurodegenerative parkinsonian syndromes have significant clinical and pathological overlap, making early diagnosis difficult. Cerebrospinal fluid (CSF) biomarkers may aid the differentiation of these disorders, but other than α-synuclein and neurofilament light chain protein, which have limited diagnostic power, specific protein biomarkers remain elusive. OBJECTIVES: To study disease mechanisms and identify possible CSF diagnostic biomarkers through discovery proteomics, which discriminate parkinsonian syndromes from healthy controls...
January 31, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28179466/blood-based-nfl-a-biomarker-for-differential-diagnosis-of-parkinsonian-disorder
#17
Oskar Hansson, Shorena Janelidze, Sara Hall, Nadia Magdalinou, Andrew J Lees, Ulf Andreasson, Niklas Norgren, Jan Linder, Lars Forsgren, Radu Constantinescu, Henrik Zetterberg, Kaj Blennow
OBJECTIVE: To determine if blood neurofilament light chain (NfL) protein can discriminate between Parkinson disease (PD) and atypical parkinsonian disorders (APD) with equally high diagnostic accuracy as CSF NfL, and can therefore improve the diagnostic workup of parkinsonian disorders. METHODS: The study included 3 independent prospective cohorts: the Lund (n = 278) and London (n = 117) cohorts, comprising healthy controls and patients with PD, progressive supranuclear palsy (PSP), corticobasal syndrome (CBS), and multiple system atrophy (MSA), as well as an early disease cohort (n = 109) of patients with PD, PSP, MSA, or CBS with disease duration ≤3 years...
March 7, 2017: Neurology
https://www.readbyqxmd.com/read/27999880/-pathomechanisms-and-clinical-aspects-of-frontotemporal-lobar-degeneration
#18
K Bürger, T Arzberger, J Stephan, J Levin, D Edbauer
BACKGROUND: Frontotemporal lobar degeneration (FTLD) includes a spectrum of heterogeneous clinical and neuropathological diseases. In a strict sense this includes the behavioral variant of frontotemporal dementia (bvFTD) and primary progressive aphasia (PPA) and both variants can be associated with amyotrophic lateral sclerosis (FTD-ALS). In a broader sense FTLD also includes progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS). In recent years the strong genetic component of FTLD has become increasingly clear...
February 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/27987553/molecular-imaging-of-extrapyramidal-movement-disorders
#19
REVIEW
Kirk A Frey
Extrapyramidal movement disorders including Parkinson disease, multiple systems atrophy, progressive supranuclear palsy, and corticobasal degeneration are neurodegenerative syndromes with distinct neuropathological changes, indicating differing underlying etiologies. Clinical features that may distinguish among these conditions are often absent, particularly early after the onset of symptoms. Therapy is presently limited, and there are no established disease-modifying or neuroprotective interventions. Advances in therapeutics will depend on the early and accurate diagnostic classification of patients...
January 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/27871202/corticobasal-syndrome-due-to-sporadic-creutzfeldt-jakob-disease-a-review-and-neuropsychological-case-report
#20
David Andrés González, Jason R Soble
OBJECTIVE: Creutzfeldt-Jakob disease (CJD) is a rare, rapidly progressive, and fatal neurodegenerative disease with neuropsychological sequelae. This study highlighted a rare presentation of CJD (e.g. corticobasal syndrome [CBS]), reviewed updated diagnostic criteria and procedures for CJD (e.g. diffusion weighted imaging [DWI], real-time quaking-induced conversion [RT-QuIC]), and discussed differential diagnoses. METHOD: Case report methodology focused on a 68-year-old, Hispanic, right-handed man with 11 years of education...
November 22, 2016: Clinical Neuropsychologist
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