Výsledky vyhledávání - "espectroscopia de prótons"

Attention-deficit/hyperactivity disorder and brain metabolites from proton magnetic resonance spectroscopy: a systematic review and meta-analysis protocol

Autor: Marcos Vinícius Vidor, Cibele Edom Bandeira, Eugenio H. Grevet, Alexandre Ribeiro Martins, Diego L. Rovaris, Claiton H.D. Bau, Renata B. Cupertino, Luis Augusto Rohde, Alana Castro Panzenhagen

Publikováno v: Trends in Psychiatry and Psychotherapy
Trends in Psychiatry and Psychotherapy, Volume: 43, Issue: 1, Pages: 1-8, Published: 15 FEB 2021
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Trends in Psychiatry and Psychotherapy v.43 n.1 2021
Sociedade de Psiquiatria do Rio Grande do Sul
instacron:APRGS
Trends in Psychiatry and Psychotherapy, Vol 43, Iss 1, Pp 1-8 (2021)

Despite major advances in the study of the brain, investigations on neurochemistry in vivo still lack the solid ground of more established methods, such as structural and functional magnetic resonance imaging. Proton magnetic resonance spectroscopy (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce42d8caf179dc99c7ec5ab5517ea483
http://europepmc.org/articles/PMC7932040

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The value of signal intensity on T1-weighted chemical shift magnetic resonance imaging combined with proton magnetic resonance spectroscopy for the diagnosis of adrenal adenomas

Autor: Claudio Carvalho Dalavia, Suzan Menasce Goldman, Homero José de Farias e Melo, Claudio Elias Kater, Jacob Szejnfeld, Wagner Iared, Sergio Aron Ajzen

Publikováno v: Radiologia Brasileira
Radiologia Brasileira, Vol 53, Iss 2, Pp 86-94 (2020)
Radiologia Brasileira v.53 n.2 2020
Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)
instacron:CBR

To investigate the advantages of using modified signal intensity measurements on chemical shift imaging alone or in conjunction with proton magnetic resonance spectroscopy in the differential diagnosis of adrenal adenomas.This was a prospective study

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bbff66ddef51700c9c6129b469ccab5b
https://doi.org/10.1590/0100-3984.2019.0095

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Akademický článek

Is magnetic resonance imaging a plausible biomarker for upper motor neuron degeneration in amyotrophic lateral sclerosis/primary lateral sclerosis or merely a useful paraclinical tool to exclude mimic syndromes? A critical review of imaging applicability in clinical routine

Autor: Antonio José da Rocha, Antonio Carlos Martins Maia Júnior

Publikováno v: Arquivos de Neuro-Psiquiatria, Vol 70, Iss 7, Pp 532-539 (2012)

Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease that affects motor neurons in the cerebral cortex, brainstem, and spinal cord, brain regions in which conventional magnetic resonance imaging is often uninformative. Although th

Externí odkaz: https://doaj.org/article/6e72a193dcd3483ebaa9707810d0cb73

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Akademický článek

Proton MR spectroscopy of the foramen of Monro region in patients with tuberous sclerosis complex Espectroscopia de prótons por RM da região do forame de Monro em pacientes com complexo esclerose tuberosa

Autor: Arnolfo de Carvalho-Neto, Isac Bruck, Sérgio A. Antoniuk, Edson Marchiori, Emerson L. Gasparetto

Publikováno v: Arquivos de Neuro-Psiquiatria, Vol 66, Iss 2b, Pp 303-307 (2008)

PURPOSE: To evaluate with 1H-magnetic resonance spectroscopy (MRS) the metabolites rations of the foramen of Monro's region in patients with tuberous sclerosis complex (TSC). METHOD: Twelve patients with TSC and an age and gender-matched control grou

Externí odkaz: https://doaj.org/article/f38fa056a58142ccb4a065231029cc82

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Akademický článek

Espectroscopia multivoxel com tempo de eco curto: a razão colina/N-acetil-aspartato e a graduação dos astrocitomas cerebrais Multivoxel spectroscopy with short echo time: choline/N-acetyl-aspartate ratio and the grading of cerebral astrocytomas

Autor: Maria de Fátima Vasco Aragão, Maria Concepción García Otaduy, Roberto Vieira de Melo, Hildo Rocha Cirne de Azevedo Filho, Edgar Guimarães Victor, José Laércio Silva, Nelson Araújo, Claudia da Costa Leite, Marcelo Moraes Valença

Publikováno v: Arquivos de Neuro-Psiquiatria, Vol 65, Iss 2A, Pp 286-294 (2007)

Avaliou-se a relação colina/N-acetil-aspartato (Co/NAA), obtida pela espectroscopia multivoxel com tempo de eco (TE) curto, na graduação histológica dos astrocitomas encefálicos (graus I, II e III-IV), comparando com o parênquima cerebral norm

Externí odkaz: https://doaj.org/article/4c79c4272e0546fe897d45537176e1bf

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Akademický článek

Subependymal giant cell astrocytoma with high choline/creatine ratio on proton MR spectroscopy Astrocitoma subependimário de células gigantes com alta relação colina/creatina à espectroscopia de prótons por ressonância magnética

Autor: Arnolfo de Carvalho Neto, Emerson L. Gasparetto, Isac Bruck

Publikováno v: Arquivos de Neuro-Psiquiatria, Vol 64, Iss 3b, Pp 877-880 (2006)

OBJECTIVE: To report a case of subependymal giant cell astrocytoma (SEGA) in a patient with tuberous sclerosis, emphasizing the proton MR spectroscopy (MRS) findings. CASE: A three year-old boy with tuberous sclerosis presented with a 3-month history

Externí odkaz: https://doaj.org/article/cd9b81ac94844e9da35373baeaa59138

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Akademický článek

MRI and ¹H-MRS findings of three patients with Sjögren-Larsson syndrome Síndrome de Sjögren-Larsson: achados à ressonância magnética e espectroscopia de prótons em três pacientes

Autor: Mauro Nakayama, Daniel G.F. Távora, Thereza C.L. Alvim, Alexandre C.B. Araújo, Rômulo L. Gama

Publikováno v: Arquivos de Neuro-Psiquiatria, Vol 64, Iss 2b, Pp 398-401 (2006)

Sjögren-Larsson syndrome (SLS) is a rare autosomal recessive neurocutaneous disorder caused by deficiency of the microsomal enzyme fatty aldehyde dehydrogenase. Patients present the classical triad of congenital ichthyosis, mental retardation and sp

Externí odkaz: https://doaj.org/article/7b5e544be0cd490ebddab5bfc9d2a92a

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Akademický článek

Doença de Alzheimer e espectroscopia por ressonância magnética do hipocampo

Autor: Engelhardt Eliasz, Moreira Denise M., Laks Jerson, Marinho Valeska M., Rozenthal Marcia, Oliveira Jr Amarino C.

Publikováno v: Arquivos de Neuro-Psiquiatria, Vol 59, Iss 4, Pp 865-870 (2001)

OBJETIVOS: Obtenção de dados do espectro de metabolitos por ressonância magnética da formação hipocampal no idoso normal e com doença de Alzheimer (DA). MÉTODO: Os indivíduos foram pareados por idade, sendo 20 na amostra normal, CDR=0 e 40 c

Externí odkaz: https://doaj.org/article/064047dabfe54a6aabd9c23740a7f7a0

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Método para seleção automática de espectros de interesse em espectroscopia multi-voxel por ressonância magnética

Autor: Pereira, Danilo Rodrigues, 1984

Publikováno v: Biblioteca Digital de Teses e Dissertações da Universidade Estadual de Campinas (UNICAMP)
Universidade Estadual de Campinas (UNICAMP)
instacron:UNICAMP

Orientador: Leticia Rittner Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação Resumo: A espectroscopia por ressonância magnética (MRS), apesar de ser uma técnica recente, vem sendo ba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fa804a167f63c18c511a37608d6ae1b
https://doi.org/10.47749/t/unicamp.2017.982979

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LLongitudinal evaluation of neurometabolites in the white matter and their association with neuropsychiatric manifestation and Th1 and Th2 cytokine in patients with systemic lupus erythematosus

Autor: Frittoli, Renan Bazuco, 1992

Publikováno v: Biblioteca Digital de Teses e Dissertações da Universidade Estadual de Campinas (UNICAMP)
Universidade Estadual de Campinas (UNICAMP)
instacron:UNICAMP

Orientador: Simone Appenzeller Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Ciências Médicas Resumo: Introdução: O comprometimento neuropsiquiátrico é considerado uma manifestação determinante na morbimortalidade de paci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::1caa029f05ed670673ae518913326a0f

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