Hypoglossal Canal Dural Arteriovenous Fistula Embolized under Precise Anatomical Evaluation by Selective Intra-Arterial Injection Computed Tomography Angiography

Kanemaru, Kazuya; Yoshioka, Hideyuki; Yagi, Takashi; Wakai, Takuma; Hashimoto, Koji; Fukumoto, Yuichiro; Suzuki, Keiko; Tateoka, Toru; Kazama, Hirofumi; Kinouchi, Hiroyuki

doi:10.15274/inr-2015-10104

Cited by 2 publications

(4 citation statements)

References 12 publications

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“…41 Selective intra-arterial injection CTA is more useful for confirming the precise anatomy of the DAVF and developing a treatment strategy. 69…”

Section: Non-contrast Ctmentioning

confidence: 99%

Dural arteriovenous fistula of the lateral foramen magnum region: A review

et al. 2018

Interv Neuroradiol

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The lateral foramen magnum region is defined as the bilateral occipital area that runs laterally up to the jugular foramen. The critical vasculatures of this region are not completely understood. Dural arteriovenous fistulas that occur in this region are rare and difficult to treat. Therefore, we searched PubMed to identify all relevant previously published English language articles about lateral foramen magnum dural arteriovenous fistulas, and we performed a review of this literature to increase understanding about these fistulas. Four types of dural arteriovenous fistulas occur in the lateral foramen magnum region. These include anterior condylar confluence and anterior condylar vein dural arteriovenous fistulas, posterior condylar canal dural arteriovenous fistulas, marginal sinus dural arteriovenous fistulas, and jugular foramen dural arteriovenous fistulas. These dural arteriovenous fistulas share similar angioarchitectures and clinical characteristics. The clinical presentations of lateral foramen magnum dural arteriovenous fistulas include pulsatile tinnitus, intracranial hemorrhage, myelopathy, orbital symptoms, and cranial nerve palsy. Currently, head computed tomography, computed tomography angiography, magnetic resonance imaging, magnetic resonance angiography and digital subtraction angiography (DSA) are useful for diagnosing dural arteriovenous fistulas, and of these, DSA remains the “gold standard.” Most lateral foramen magnum dural arteriovenous fistulas need to be treated due to their aggressive symptoms, and transvenous embolization presents the best options. During treatment, it is critical to accurately place the microcatheter into the fistula point, and intraoperative integrated computed tomography and DSA data are very helpful. Other treatments, such as transarterial embolization, microsurgery or conservative treatment, can also be chosen. After appropriate treatment, most patients with lateral foramen magnum dural arteriovenous fistulas achieve satisfactory outcomes.

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“…41 Selective intra-arterial injection CTA is more useful for confirming the precise anatomy of the DAVF and developing a treatment strategy. 69…”

Section: Non-contrast Ctmentioning

confidence: 99%

Dural arteriovenous fistula of the lateral foramen magnum region: A review

et al. 2018

Interv Neuroradiol

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“…that is affected by DAVFs is fundamentally important. Although the association of osseous venous structures with AC-AVFs has been reported frequently, 3,8,9,11,[13][14][15][16][17]19) the osseous venous structures adjacent to the hypoglossal canal were studied rarely [20][21][22][23] before we recently investigated them using CT digital subtraction venography. 18) The bone surrounding the hypoglossal canal contains many venous structures ( Figs.…”

Section: Department Of Neurosurgery Keio University School Of Medicimentioning

confidence: 99%

“…Based on our investigation, the AC-AVF seemed to be considered as a group of fistulas adjacent to the lateral parts (exoccipital) of the occipital bone, which includes the hypoglossal canal, jugular tubercle, occipital condyle, and the jugular process. Although the involvement of the osseous structures has been frequently reported previously, 3,8,9,11,[13][14][15][16][17]19) the anterior condylar vein has been traditionally considered as a location of a fistulous pouch in AC-AVF. Without modern CT digital subtraction venography or cone beam CT, it is difficult to recognize these intraosseous venous structures and to distinguish between the two fistulous locations: the anterior condylar vein and JTVC.…”

Section: Angioarchitecture Of the Anterior Condylar Avfmentioning

confidence: 99%

“…12) Other authors also reported DAVFs located within the bone adjacent to the hypoglossal canal. [13][14][15][16][17] These multiple locations have been assumed as fistulous locations, and accordingly, a comprehensive analysis of the shunt location is necessary to understand the pathophysiology of AC-AVFs and to facilitate effective and safe treatment. Recently, we reported that the AC-AVF is a group of fistula that develops in emissary and osseous veins adjacent to the hypoglossal canal.…”

Section: Introductionmentioning

confidence: 99%

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The Anterior Condylar Arteriovenous Fistula from the Viewpoint of the Osseous Venous Anatomy

Mizutani

Akiyama

Yoshida

2019

JNET

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The anterior condylar arteriovenous fistula (AC-AVF) is a relatively rare AVF that affects the vasculatures adjacent to the hypoglossal canal. We aimed to discuss the etiology and definition of the AC-AVF from the viewpoint of the osseous venous anatomy. Our recent study, which used modern imaging technology (CT digital subtraction venography and cone beam CT reconstructed from 3D rotational angiography), elucidated the intraosseous venous anatomy in this region and the precise fistulous locations of AC-AVFs. Those findings suggest that the AC-AVF is a group of "osseous" AVF that involves the anterior condylar vein and jugular tubercle venous complex (JTVC), and the osseous veins connected to them. The AC-AVF develops in osseous veins adjacent to the hypoglossal canal, and it is one of the most common subtypes of osseous AVFs. The angioarchitectures and etiology of AC-AVFs discussed herein are essential to understand this clinical entity.

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Hypoglossal Canal Dural Arteriovenous Fistula Embolized under Precise Anatomical Evaluation by Selective Intra-Arterial Injection Computed Tomography Angiography

Cited by 2 publications

References 12 publications

Dural arteriovenous fistula of the lateral foramen magnum region: A review

Dural arteriovenous fistula of the lateral foramen magnum region: A review

The Anterior Condylar Arteriovenous Fistula from the Viewpoint of the Osseous Venous Anatomy

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