Abstract
The filum terminale is an anatomic structure at the end of the spinal cord. Only a few cases of AVFs of the filum terminale have been reported. These AVFs usually consist of a single communication between the anterior spinal artery and a single draining vein. We retrospectively analyzed the clinical and radiologic features and treatment of 4 patients with spinal AVFs of the filum terminale. Clinical manifestations and MR images are similar to those of spinal dural AVFs. All patients underwent surgical or endovascular treatment, resulting in complete occlusion. Clinical outcomes were good to excellent in all patients.
Highlights
We report their clinical presentations, angioarchitecture, and treatment
Patients The cases were collected from the data base containing all the patients who had undergone angiography and/or endovascular treatment for spinal vascular diseases from January 1997 to September 2008
We evaluated the origin of the radiculomedullary artery and the location of feeders and draining veins of AVSs
Summary
Patients The cases were collected from the data base containing all the patients who had undergone angiography and/or endovascular treatment for spinal vascular diseases from January 1997 to September 2008. Four patients were diagnosed with arteriovenous shunts on the filum terminale. Two patients were men and 2 were women. The mean age of the patients was 56 years (ranging from 48 to 63 years). All patients had undergone MR imaging before referral to our service. Referral was based on clinical findings and MR imaging suggestive of a spinal AVM. Spinal angiograms, and MR images were analyzed
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