Spinal dural arterio-venous fistula

Case contributed by Dr Chris O'Donnell

Presentation

Progessive back and lower limb pain with dysaesthesia of the thighs

Patient Data

Age: 50
Gender: Male
Modality: MRI

Swollen, oedematous conus associated with multiple serpentine intra-thecal filling defects showing flow voids.  Note following contrast injection there is patchy enhancement of the conus (arrow)

Case Discussion

These dural AVF are usually spontaneous and incidentally found on MRI of the spine for backpain or lower limb neurological symptoms.  They cause symptoms from venous congestion of the cord parenchyma due to the arterialization of dural veins draining the spinal cord.

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Case Information

rID: 48907
Case created: 30th Oct 2016
Last edited: 31st Oct 2016
System: Spine
Inclusion in quiz mode: Included

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