Positron emission tomography/magnetic resonance imaging (PET/MRI): An update and initial experience at HC-FMUSP

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorQUEIROZ, Marcelo A.
dc.contributor.authorBARBOSA, Felipe de Galiza
dc.contributor.authorBUCHPIGUEL, Carlos Alberto
dc.contributor.authorCERRI, Giovanni Guido
dc.date.accessioned2018-05-08T14:31:15Z
dc.date.available2018-05-08T14:31:15Z
dc.date.issued2018
dc.description.abstractThe new technology of PET/MRI is a prototype of hybrid imaging, allowing for the combination of molecular data from PET scanning and morphofunctional information derived from MRI scanning. Recent advances regarding the technical aspects of this device, especially after the development of MRI-compatible silicon photomultipliers of PET, permitted an increase in the diagnostic performance of PET/MRI translated into dose reduction and higher imaging quality. Among several clinical applications, PET/MRI gains ground initially in oncology, where MRI per se plays an essential role in the assessment of primary tumors (which is limited in the case of PET/CT), including prostate, rectal and gynecological tumors. On the other hand, the evaluation of the lungs remains an enigma although new MRI sequences are being designed to overcome this. More clinical indications of PET/MRI are seen in the fields of neurology, cardiology and inflammatory processes, and the use of PET/MRI also opens perspectives for pediatric populations as it involves very low radiation exposure. Our review aimed to highlight the current indications of PET/MRI and discuss the challenges and perspectives of PET/MRI at HC-FMUSP.
dc.description.abstractA nova tecnologia PET/RM é o protótipo de diagnóstico por imagem híbrido e permite combinar dados moleculares obtidos da tomografia PET e informações morfofuncionais derivadas da ressonância magnética. Avanços recentes relativos a aspectos técnicos desse dispositivo, principalmente após o desenvolvimento de fotomultiplicadores de silício compatíveis com RM, permitiram uma melhora do desempenho diagnóstico da PET/RM traduzida em redução da dose e qualidade superior das imagens. Entre diversas aplicações clínicas, a PET/RM ganha espaço inicialmente no campo da oncologia, onde a RM tem papel essencial na avaliação de tumores primários (limitado no caso da PET/TC), incluindo tumores de próstata, reto e ginecológicos. Por outro lado, a avaliação dos pulmões ainda é um enigma, a despeito de novas sequências de RM que estão sendo criadas para tentar resolver essa questão. Outras indicações clínicas da PET/RM são encontradas no âmbito da neurologia, cardiologia e de processos inflamatórios, nos quais a técnica também abre perspectivas para pacientes pediátricos, já que envolve uma exposição baixíssima à radiação. Nossa revisão teve como objetivo destacar as indicações atuais da PET/RM e discutir os desafios e perspectivas da aplicação dessa técnica no Hospital das Clínicas da FMUSP.
dc.description.indexMEDLINE
dc.identifier.citationREVISTA DA ASSOCIACAO MEDICA BRASILEIRA, v.64, n.1, p.71-84, 2018
dc.identifier.doi10.1590/1806-9282.64.01.71
dc.identifier.issn0104-4230
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/26298
dc.language.isoeng
dc.publisherASSOC MEDICA BRASILEIRA
dc.relation.ispartofRevista da Associacao Medica Brasileira
dc.rightsopenAccess
dc.rights.holderCopyright ASSOC MEDICA BRASILEIRA
dc.subjectPositron-Emission Tomography
dc.subjectTomography
dc.subjectX-Ray Computed
dc.subjectMagnetic Resonance Spectroscopy
dc.subjectDiagnostic Imaging
dc.subjectReview
dc.subjectTomografia por Emissão de Pósitrons
dc.subjectTomografia Computadorizada por Raios X
dc.subjectEspectroscopia de Ressonância Magnética
dc.subjectDiagnóstico por Imagem
dc.subjectRevisão
dc.subject.othersquamous-cell carcinoma
dc.subject.otherbreast-cancer patients
dc.subject.otherga-68-labeled psma ligand
dc.subject.otherrecurrent prostate-cancer
dc.subject.otherintegrated whole-body
dc.subject.otherdiffusion-weighted-mr
dc.subject.otherlung-cancer
dc.subject.otherneck-cancer
dc.subject.otherattenuation correction
dc.subject.otherf-18-fdg pet/ct
dc.subject.wosMedicine, General & Internal
dc.titlePositron emission tomography/magnetic resonance imaging (PET/MRI): An update and initial experience at HC-FMUSP
dc.title.alternativeTomografia por emissão de pósitrons/ressonância magnética (PET/RM): atualização e experiência inicial do HC-FMUSP
dc.typearticle
dc.type.categoryreview
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.author.externalBARBOSA, Felipe de Galiza:Hosp Sirio Libanes, Serv Med Imaging, Sao Paulo, SP, Brazil
hcfmusp.citation.scopus6
hcfmusp.contributor.author-fmusphcMARCELO ARAUJO QUEIROZ
hcfmusp.contributor.author-fmusphcCARLOS ALBERTO BUCHPIGUEL
hcfmusp.contributor.author-fmusphcGIOVANNI GUIDO CERRI
hcfmusp.description.beginpage71
hcfmusp.description.endpage84
hcfmusp.description.issue1
hcfmusp.description.volume64
hcfmusp.origemWOS
hcfmusp.origem.pubmed29561945
hcfmusp.origem.scieloSCIELO:S0104-42302018000100071
hcfmusp.origem.scopus2-s2.0-85044381051
hcfmusp.origem.wosWOS:000427576100014
hcfmusp.publisher.citySAO PAULO
hcfmusp.publisher.countryBRAZIL
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