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Spinal intradural arteriovenous fistula mimicking intramedullary tumor and associated with a giant intracranial aneurysm / Fístula arteriovenosa intradural espinhal mimetizando tumor intramedular e associado com aneurisma intracraniano gigante
Campos, Wuilker Knoner; Silva, Benjamin Franklin da; Guasti, Jose Antônio Damian.
  • Campos, Wuilker Knoner; Baía Sul Hospital. NEURON Institute. Florianópolis. BR
  • Silva, Benjamin Franklin da; Bonsucesso Federal Hospita. Department of Neurosurgery. Rio de Janeiro. BR
  • Guasti, Jose Antônio Damian; Bonsucesso Federal Hospita. Department of Neurosurgery. Rio de Janeiro. BR
Arq. bras. neurocir ; 30(4)dez. 2011. ilus, tab
Article in Portuguese | LILACS | ID: lil-614351
ABSTRACT
Spinal intradural arteriovenous fistulas (AVFs) are a rare type of neurovascular malformation. Many a time hemodynamic disturbs associated to these entities can cause edema with subsequent myelopathy. On MRI study, this edema can mimic an intramedullary tumor. We report a rare case of spinal intradural AVFs mimicking an intramedullary tumor, which also were surprisingly associated with a giant intracranial aneurysm. We highlight in detail the MRI findings in intramedullary lesions, and also emphasize that these entities requires as careful differential diagnosis as supplementary investigation of the neuroaxis looking for other simultaneous neurovascular pathologies.
RESUMO
Fístulas arteriovenosas espinhais intradurais são um tipo raro de malformação neurovascular. Muitas vezes, distúrbios hemodinâmicos associados a essa entidade podem causar edema com subsequente mielopatia. Em estudos de ressonância magnética, esse edema pode mimetizar um tumor intramedular. Relata-se um caso raro de fistula arteriovenosa espinhal intradural mimetizando um tumor intramedular, que também estava associado a um aneurisma cerebral gigante. Destacam-se em detalhes os achados de RM nas lesões intramedulares, assim como se enfatiza que essas entidades requerem tanto um diagnóstico diferencial criterioso quanto uma investigação complementar do neuroeixo procurando por outras patologias neurovasculares associadas.
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Full text: Available Index: LILACS (Americas) Main subject: Spinal Cord Neoplasms / Intracranial Aneurysm / Arteriovenous Fistula Type of study: Risk factors Limits: Female / Humans Language: Portuguese Journal: Arq. bras. neurocir Journal subject: Cirurgia / Neurosurgery Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Baía Sul Hospital/BR / Bonsucesso Federal Hospita/BR

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Full text: Available Index: LILACS (Americas) Main subject: Spinal Cord Neoplasms / Intracranial Aneurysm / Arteriovenous Fistula Type of study: Risk factors Limits: Female / Humans Language: Portuguese Journal: Arq. bras. neurocir Journal subject: Cirurgia / Neurosurgery Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Baía Sul Hospital/BR / Bonsucesso Federal Hospita/BR