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Ventriculus Terminalis in Adults: Unusual Magnetic Resonance Imaging Features and Review of the Literature
Korean Journal of Radiology ; : 557-563, 2012.
Artigo em Inglês | WPRIM | ID: wpr-228979
ABSTRACT

OBJECTIVE:

The ventriculus terminalis (VT) in adults is a rare pathology. We report various MR imaging features of the adult VT. MATERIALS AND

METHODS:

Ten patients were included in this retrospective review.. All patients had undergone magnetic resonance (MR imaging with a surface coil that used two different 1.5T MR systems. All patients had undergone initial and follow-up MR imaging with contrast enhancement using gadopentate dimeglumine. Three patients underwent additional MR imaging using the echocardiogram-gated spatial modulation of magnetization (SPAMM) technique. If a shift in tagging band during the systolic phase was less than half of the band space, it was defined as a "non-pulsatile fluid". Two neuroradiologists independently reviewed these images, while clinical symptoms and outcomes were statistically analyzed between the treated and non-treated group.

RESULTS:

All cases presented an intramedullary cystic lesion in the conus medullaris and showed the same signal intensity as CSF. Three VTs had intracystic septation and cord edema, which were pathologically confirmed after surgery; two of these were associated with kyphotic deformity and spinal arteriovenous malformation. SPAMM-MRI of 3 patients demonstrated non-pulsatile fluid motion within the VT. In the treated group, clinical symptoms improved better than the non-treated group.

CONCLUSION:

The adult VT shows some unusual imaging features, including septation, cord edema, and coexistence of a spinal AVM, as well as the typical findings. Surgical maneuvers may be considered as a treatment option in adult VT with progressive neurological symptoms.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Doenças da Medula Espinal / Imageamento por Ressonância Magnética / Estudos Retrospectivos / Meios de Contraste / Gadolínio DTPA / Cistos / Diagnóstico Diferencial / Técnicas de Imagem de Sincronização Cardíaca Tipo de estudo: Estudo diagnóstico / Estudo observacional Limite: Adulto / Feminino / Humanos / Masculino Idioma: Inglês Revista: Korean Journal of Radiology Ano de publicação: 2012 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Doenças da Medula Espinal / Imageamento por Ressonância Magnética / Estudos Retrospectivos / Meios de Contraste / Gadolínio DTPA / Cistos / Diagnóstico Diferencial / Técnicas de Imagem de Sincronização Cardíaca Tipo de estudo: Estudo diagnóstico / Estudo observacional Limite: Adulto / Feminino / Humanos / Masculino Idioma: Inglês Revista: Korean Journal of Radiology Ano de publicação: 2012 Tipo de documento: Artigo