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The Role of Dynamic Magnetic Resonance Imaging in Cervical Spondylotic Myelopathy
Asian Spine Journal ; : 1008-1015, 2017.
Artigo em Inglês | WPRIM | ID: wpr-102645
ABSTRACT
Dynamic spinal cord compression has been investigated for several years, but until the advent of open MRI, the use of dynamic MRI (dMRI) did not gain popularity. Several publications have shown that cervical cord compression is both static and dynamic. On many occasions the evaluation of cervical spondylotic myelopathy (CSM) is straightforward, but patients are frequently encountered with a significantly worse clinical examination than would be suggested by radiological images. In this paper, we present an extensive review of the literature in order to describe the importance of dMRI in various settings and applications. A detailed literature review was performed in the Medline and Pubmed databases using the terms “cervical spondylotic myelopathy”, “dynamic MRI”, “kinetic MRI”, and “myelomalalcia” for the period of 1980-2016. The study was limited to English language, human subjects, case series, retrospective studies, prospective reports, and clinical trials. Reviews, case reports, cadaveric studies, editorials, and commentaries were excluded. The literature search yielded 180 papers, 19 of which met inclusion criteria. However, each paper had evaluated results and outcomes in different ways. It was not possible to compile them for meta-analysis or pooled data evaluation. Instead, we evaluated individual studies and present them for discussion. We describe a number of parameters evaluated in 2661 total patients, including dynamic changes to spinal cord and canal dimensions, transient compression of the cord with changes in position, and the effects of position on the intervertebral disc. dMRI is a useful tool for understanding the development of CSM. It has found several applications in the diagnosis and preoperative evaluation of many patients, as well as certain congenital dysplasias and Hirayama disease. It is useful in correlating symptoms with the dynamic changes only noted on dMRI, and has reduced the incidence of misdiagnosis of myelopathy.
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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Medula Espinal / Compressão da Medula Espinal / Doenças da Medula Espinal / Cadáver / Imageamento por Ressonância Magnética / Incidência / Estudos Prospectivos / Estudos Retrospectivos / Diagnóstico / Erros de Diagnóstico Tipo de estudo: Estudo diagnóstico / Estudo de incidência / Estudo observacional / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Asian Spine Journal Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Medula Espinal / Compressão da Medula Espinal / Doenças da Medula Espinal / Cadáver / Imageamento por Ressonância Magnética / Incidência / Estudos Prospectivos / Estudos Retrospectivos / Diagnóstico / Erros de Diagnóstico Tipo de estudo: Estudo diagnóstico / Estudo de incidência / Estudo observacional / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Asian Spine Journal Ano de publicação: 2017 Tipo de documento: Artigo