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Dynamic Lumbar Spinal Stenosis : The Usefulness of Axial Loaded MRI in Preoperative Evaluation
Journal of Korean Neurosurgical Society ; : 265-268, 2009.
Artigo em Inglês | WPRIM | ID: wpr-31499
ABSTRACT
Two cases of dynamic lumbar spinal stenosis were identified by the authors using axial loaded magnetic resonance image (MRI). In both cases, the patients presented with neurogenic claudication but MRI in decumbency showed no definite pathologic condition associated with their symptoms. In contrast, axial loaded MRI demonstrated constrictive spinal stenosis and a significantly decreased dural sac caused by epidural fat buckling and thickening of the ligamentum flavum in both cases. In the second case, a more prominent disc protrusion was also demonstrated compared with decumbent MRI. After decompressive surgery, both patients had satisfactory outcomes. Axial loaded MRI can therefore give decisive information in dynamic spinal disorders by allowing simulation of an upright position.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Estenose Espinal / Espectroscopia de Ressonância Magnética / Ligamento Amarelo Limite: Humanos Idioma: Inglês Revista: Journal of Korean Neurosurgical Society Ano de publicação: 2009 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Estenose Espinal / Espectroscopia de Ressonância Magnética / Ligamento Amarelo Limite: Humanos Idioma: Inglês Revista: Journal of Korean Neurosurgical Society Ano de publicação: 2009 Tipo de documento: Artigo