Abstract
Introduction: Dural arteriovenous fistulas account for 10 to 15% of intracranial arteriovenous malformations. They are defined as malformations to short-circuits between dural and extracranial arteries with dural venous sinuses. Its presentation is in frequent and its management is a challenge in low- and middle-income countries where there are difficulties in accessing high quality technological tools. Case: We present the case of an unusual dural arteriovenous fistula involving the mastoid region and draining into the external jugular vein and through emissary veins into the superior longitudinal sinus, which was treated transarterially. Conclusion: Endovascular management of intracranial dural arteriovenous fistulas can be a challenge. Endovascular treatment includes a transarterial or transvenous approach from the femoral artery or vein. There is little evidence on this subject, so it is necessary to carry out more studies to determine risk factors, intervention effects and medium- and long-term outcomes.
Highlights
Low- and middle-income countries suffer from this type of difficulties. The aim of this manuscript is to present a case of an unusual dural arteriovenous fistula involving the mastoid region and draining into the external jugular vein and through emissary veins into the superior longitudinal sinus, And discuss aspects related to the limitations in the diagnosis and approach in lowand middle-income countries such as Colombia
There is not much scientific literature, and if there is, it is limited to case series and case reports [6,7,8,9,10]
Endovascular management was performed with subsequent resolution [6]
Summary
Dural arteriovenous fistulas account for 10 to 15 % of intracranial arteriovenous malformations [1,2]. They are defined as malformations to short-circuits between dural and extracranial arteries with dural venous sinuses [1,2]. Low- and middle-income countries suffer from this type of difficulties The aim of this manuscript is to present a case of an unusual dural arteriovenous fistula involving the mastoid region and draining into the external jugular vein and through emissary veins into the superior longitudinal sinus, And discuss aspects related to the limitations in the diagnosis and approach in lowand middle-income countries such as Colombia. A 3-month follow-up was performed, where a satisfactory evolution and complete resolution of the clinical picture was observed
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