Angio-anatomical study of the pterygovaginal artery based on cone-beam computed tomography

Yoshida, Keisuke; Akiyama, Takahiro; Raz, Eytan; Kamamoto, Dai; Ozawa, Hiroyuki; Toda, Masahiro

doi:10.1007/s00234-021-02657-3

Cited by 4 publications

(5 citation statements)

References 38 publications

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“…The images obtained to evaluate neurovascular diseases proved to be particularly rich in information to collaterally understand the normal neurovascular anatomy. While this is not the topic of this review, we point to other papers [31][32][33][34] to further understand the role of HR-CBCT for this purpose.…”

Section: Exploration Of Normal Anatomymentioning

confidence: 99%

Principles, techniques and applications of high resolution cone beam CT angiography in the neuroangio suite

Raz

Nossek

Sahlein³

et al. 2022

J NeuroIntervent Surg

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The aim of this review is to describe the acquisition and reformatting of state of the art high resolution cone beam CT (HR-CBCT) and demonstrate its role in multiple neurovascular conditions as a tool to improve the understanding of disease and guide therapeutic decisions. First, we will review the basic principle of CBCT acquisition, followed by the injection protocols and the reformatting paradigms. Next, multiple applications in different pathological conditions such as aneurysms, arteriovenous malformations, dural arteriovenous fistulas, and stroke will be described. HR-CBCT angiography, widely available, is uniquely useful in certain clinical scenarios to improve the understanding of disease and guide therapeutic decisions. It rapidly is becoming an essential tool for the contemporary neurointerventionalist.AChoAho

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Section: Exploration Of Normal Anatomymentioning

confidence: 99%

Principles, techniques and applications of high resolution cone beam CT angiography in the neuroangio suite

Raz

Nossek

Sahlein³

et al. 2022

J NeuroIntervent Surg

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“…It is important to know that the PtVA has a potential anastomosis with the ICA through the mandibular artery, which serves as a "dangerous anastomosis." 1,15,16 Since the PtVA is considered to share the mandibular artery from the ICA as the common embryological origin with the VidA, the anatomical variation of the PtVA branching off from the petrous ICA is also not rare. The "less dangerous anastomoses" of the PtVA are anastomoses around the eustachian tube with the APhA and the AMA.…”

Section: Discussionmentioning

confidence: 99%

“…The pterygovaginal artery (PtVA) is one of the recurrent branches of the internal maxillary artery (IMA). 1 It courses through the pterygovaginal canal (PtVC) that connects the pterygopalatine fossa and nasopharynx. It supplies the mucosa over the nasopharyngeal roof, the choanae and the pharyngeal ostium of the eustachian tube.…”

Section: Introductionmentioning

confidence: 99%

“…2,3 The PtVA can supply hypervascular lesions involving the anterior cranial base, parasellar area or paraclival region, not only those located in the nasopharynx. 1 With the recent development of endoscopic skull base surgery, tumors in these areas are more often resected through the endoscopic endonasal approach (EEA). Although the PtVC is one of the important anatomical landmarks in EEA, the association of the PtVA with lesions is scarcely reported.…”

Section: Introductionmentioning

confidence: 99%

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Pterygovaginal artery as a target of embolization before endoscopic skull base surgery

et al. 2021

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Background The pterygovaginal artery (PtVA), a recurrent branch of the internal maxillary artery (IMA), can be a feeder of skull base tumors. Preoperative embolization can help endoscopic resection of hypervascular lesions, which is performed under a narrow surgical space with restricted instrumental maneuverability. Methods We performed preoperative embolization in five cases with hypervascular skull base lesions supplied by the PtVA, four of which were resected via endoscopic endonasal approach. In two cases, selective PtVA embolization through the distal IMA was successfully conducted. Results In all the cases, intraoperative bleeding during endoscopic resection was easily controlled. The medial and lateral origins of the PtVA from the IMA were demonstrated by cone-beam CT images reconstructed from three-dimensional rotational angiography, and anastomoses around the eustachian tube and soft palate were visualized by superselective angiography. Conclusions The PtVA embolization can be an effective strategy before endoscopic skull base tumor resection. When embolizing through the PtVA, clinicians should be aware of its anatomical variations and dangerous anastomoses. Understanding the surrounding angioarchitecture by angiographic techniques helps ensure safe embolization.

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“…It gives rise to two branches directed anteriorly: (a) The artery of the pterygoid canal (also known as vidian artery), which runs in the pterygoid canal, anastomosing with the vidian branch of the internal maxillary artery either in the pterygopalatine fossa or in the vidian canal. (b) The second branch courses more caudally and anastomoses with the pterigovaginal artery near the Eustachian tube (8).…”

Section: Mandibular Arterymentioning

confidence: 99%

Comprehensive microsurgical anatomy of the middle cranial fossa: Part II—neurovascular anatomy

et al. 2023

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In order to master the surgical approaches to the middle cranial fossa, the surgeon needs to understand the relevant bony anatomy. However, she/he also needs to have a clear and sound understanding of the neural and vascular anatomy because, oftentimes, the osseous anatomy (except for the optic apparatus) should be removed to expose and protect the neurovascular anatomy. This is the second of a two-part article discussing the neurovascular anatomy of the middle cranial fossa. A brief discussion of the surgical approaches follows.

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Angio-anatomical study of the pterygovaginal artery based on cone-beam computed tomography

Cited by 4 publications

References 38 publications

Principles, techniques and applications of high resolution cone beam CT angiography in the neuroangio suite

Principles, techniques and applications of high resolution cone beam CT angiography in the neuroangio suite

Pterygovaginal artery as a target of embolization before endoscopic skull base surgery

Comprehensive microsurgical anatomy of the middle cranial fossa: Part II—neurovascular anatomy

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