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Acta Neurochirurgica
Published in: Acta Neurochirurgica 8/2018

01-08-2018 | Case Report - Pediatric Spine

Bilateral persistent ‘second’ intersegmental vertebral arteries: illustrated with a case

Authors: Madhivanan Karthigeyan, Pravin Salunke, Mandeep Singh Kataria

Published in: Acta Neurochirurgica | Issue 8/2018

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Abstract

Congenital craniovertebral junction deformities can be associated with an anomalous vertebral artery (VA). At times, the artery crosses the joint posteriorly (i.e., persistent first intersegmental artery) and is at risk during posterior approach. We report a new variant, wherein the bilateral VA coursed medially after exiting the C3 transverse foramina to lie beneath C2 pars interarticularis and enter the foramen magnum (without passing through C2 transverse foramen anywhere along its course). This is possibly a result of bilateral persistent second intersegmental arteries. It is pertinent to recognize this unusual variant to avoid VA injury, especially while inserting C2 pars/transarticular screw.
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Metadata
Title
Bilateral persistent ‘second’ intersegmental vertebral arteries: illustrated with a case
Authors
Madhivanan Karthigeyan
Pravin Salunke
Mandeep Singh Kataria
Publication date
01-08-2018
Publisher
Springer Vienna
Published in
Acta Neurochirurgica / Issue 8/2018
Print ISSN: 0001-6268
Electronic ISSN: 0942-0940
DOI
https://doi.org/10.1007/s00701-018-3601-1

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