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Four-dimensional digital subtraction angiography for exploration of intraosseous arteriovenous fistula in the sphenoid bone.


ABSTRACT:

Background

Intraosseous arteriovenous fistula (AVF) is a rare clinical entity that typically presents with symptoms from their effect on surrounding structures. Here, we report a case of intraosseous AVF in the sphenoid bone that presented with bilateral abducens palsy.

Case description

A previously healthy man presented with tinnitus for 1 month, and initial imaging suspected dural AVF of the cavernous sinus. Four-dimensional digital subtraction angiography (4D-DSA) imaging and a three-dimensional (3D) fused image from the bilateral external carotid arteries revealed that the shunt was in a large venous pouch within the sphenoid bone that was treated through transvenous coil embolization. His symptoms improved the day after surgery.

Conclusion

This is a case presentation of intraosseous AVF in the sphenoid bone and highlights the importance of 4D-DSA and 3D fused images for planning the treatment strategy.

SUBMITTER: Ishibashi T 

PROVIDER: S-EPMC7982113 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Publications

Four-dimensional digital subtraction angiography for exploration of intraosseous arteriovenous fistula in the sphenoid bone.

Ishibashi Toshihiro T   Maruyama Fumiaki F   Kan Issei I   Sano Tohru T   Murayama Yuichi Y  

Surgical neurology international 20210302


<h4>Background</h4>Intraosseous arteriovenous fistula (AVF) is a rare clinical entity that typically presents with symptoms from their effect on surrounding structures. Here, we report a case of intraosseous AVF in the sphenoid bone that presented with bilateral abducens palsy.<h4>Case description</h4>A previously healthy man presented with tinnitus for 1 month, and initial imaging suspected dural AVF of the cavernous sinus. Four-dimensional digital subtraction angiography (4D-DSA) imaging and a  ...[more]

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