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An unusual arrangement between the highest denticulate ligament and posterior inferior cerebellar artery
An unusual arrangement between the highest denticulate ligament and posterior inferior cerebellar artery
- 대한해부학회
- Anatomy and Cell Biology
- Vol.56(3)
- : SCOPUS
- 2023.09
- 394 - 397 (4 pages)
The posterior inferior cerebellar artery (PICA) is often involved in pathologies of the posterior cranialfossa. Therefore, a good understanding of the vessel’s normal and variant courses is important to the neurosurgeon or neurointerventionalist. During the routine microdissection of the craniocervical junction, an unusual arrangement between the highest denticulate ligament and PICA was observed. On the right side, the PICA was given rise to by the V4 segment of the vertebral artery 9 mm after the artery entered the dura mater of the posterior cranial fossa. The artery made an acute turn around the lateral edge of the highest denticulate ligament to then recur 180 degrees and travel medially toward the brainstem. Invasive procedures that target the PICA should be aware of the variant as described herein.
Introduction
Case Report
Discussion
ORCID
Author Contributions
Conflicts of Interest
Funding
Acknowledgements
References