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  • Title: Myelopathy after traumatic lumbar vertebral intraosseous arteriovenous fistula with epidural venous drainage treated with transvenous embolization.
    Author: Bhushan S, Muneer MS, Ritchie CA, Todnem N, Tawk RG, Miller DA, Pirris SM, Gupta V.
    Journal: Clin Imaging; 2021 Nov; 79():341-344. PubMed ID: 34411884.
    Abstract:
    Spinal epidural arteriovenous fistulas are an uncommon entity. The authors present an interesting case of a 48-year-old man involved in a MVC five months prior to presenting with bilateral lower extremity weakness and hypoesthesia below the knees. MRI demonstrated a flow void in the L1 vertebral body burst fracture along with a dilated basivertebral vein draining in to engorged epidural venous plexus. Angiography confirmed an intraosseous arteriovenous fistula fed by T12 and L1arteries and epidural venous drainage. Complete obliteration by arterial embolization was precluded by origin of the artery of Adamkiewicz from the feeding L1 lumbar artery. Embolization using a transvenous approach allowed for successful obliteration of the fistula. Following the procedure, the patient had significant immediate improvement in the lower extremity symptoms. This is the first report of a posttraumatic spinal epidural arteriovenous fistula secondary to a vertebral burst fracture successfully treated by transvenous embolization.
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