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MRI findings included swelling of the cervical spinal cord, hyperintensity of the cervical cord on T2- and PD-weighted MRI, and an enlarged vessel at the ventral surface of the cord, on MR angiography. No parenchymal contrast enhancement of the spinal cord was noted on T1-weighted MRI. DSA revealed an intracranial DAVF fed by four branches of the left external carotid artery and draining into spinal medullary veins. The fistula was treated with endovascular embolization, leading to considerable clinical improvement of the patient. To avoid an improper diagnosis or a delayed or incorrect treatment of myelopathy resulting from an intracranial DAVF, cerebral intraarterial angiography may be indicated in cases of otherwise unexplainable cervical myelopathy. |
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angiography,cerebral
fistula,arterio-venous
fistula,arterio-venous,dural
malformation,vascular
malformation,vascular,dural
MRI
MRI,abnormal
MRI,angiography
MRI,angiography,contrast enhanced
MRI,spinal cord
MRI,spinal cord,increased intramedullary cord signal
myelopathy
myelopathy,chronic progressive
quadriparesis
spinal cord,enlargement
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