2017
DOI: 10.1590/1806-9282.63.07.564 View full text |Buy / Rent full text
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Abstract: Summary Subacute necrotizing myelopathy (SNM) or Foix-Alajouanine syndrome is a rare disease characterized by progressive neurological dysfunction caused by a spinal dural arteriovenous fistula (AVF). Radiological diagnosis is usually suspected when there is intramedullary nonspecific enhancement and perimedullary flow voids. Ring-enhancement is rarely reported in the scope of AVF, which poses a diagnostic challenge and raises the suspicion of a spinal cord tumor. In such situations, biopsy can be required and… Show more

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“…Another differential includes Foix-Alajouanine Syndrome (FAS), a congestive myelopathy that is hypothesized to occur due to a decrease in arteriovenous pressure gradient and a decrease in cord perfusion as a result of an existing AVF [ 8 ]. In FAS, the MRI pattern usually shows the same pattern of hyperintensity on T2-weighted images and decreased signal enhancement on T1-weighted images [ 9 , 10 ]. Therefore, both FAS and DVT leading to epidural venous plexus engorgement can present as CES.…”
Section: Discussionmentioning