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Surgical and Radiologic Anatomy
Published in: Surgical and Radiologic Anatomy 5/2009

01-06-2009 | Anatomic Variations

Double origin of the posterior inferior cerebellar artery with findings on conventional and CT angiography

Authors: Andrew A. Plumb, Amit Herwadkar, Roger Laitt

Published in: Surgical and Radiologic Anatomy | Issue 5/2009

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Abstract

A case of double origin of the posterior inferior cerebellar artery (PICA) is presented, with appearances on both cross-sectional imaging and conventional angiography. An associated aneurysm was found, strengthening the belief that this variation is associated with intracranial aneurysms. Furthermore, this is the first report of a right-sided double-origin PICA in a female patient, which calls into question the previously proposed male and left-sided preponderance of this variation.
Literature
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Lasjaunias P, Vallee B, Person H et al (1985) The lateral spinal artery of the upper cervical spinal cord: anatomy, normal variations, and angiographic aspects. J Neurosurg 63:235–241PubMedCrossRef
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Lesley WS, Dalsania HJ (2004) Double origin of the posterior inferior cerebellar artery. Am J Neuroradiol 25:425–427PubMed
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Lesley WS, Rajab MH, Case RS (2007) Double origin of the posterior inferior cerebellar artery: association with intracranial aneurysm on catheter angiography. Am J Roentgenol 189:893–897CrossRef
4.
Pasco A, Thouveny F, Papon X et al (2002) Ruptured aneurysm on a double origin of the posterior inferior cerebellar artery: a pathological entity in an anatomical variation: report of two cases and review of the literature. J Neurosurg 96:127–131PubMedCrossRef
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Sim E, Vaccaro AR, Berzlanovich A et al (2001) Fenestration of the extracranial vertebral artery: review of the literature. Spine 26:E139–142PubMedCrossRef
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Stopford JSB (1916) The arteries of the pons and medulla oblongata. J Anat Physiol 50:131–164PubMed
Metadata
Title
Double origin of the posterior inferior cerebellar artery with findings on conventional and CT angiography
Authors
Andrew A. Plumb
Amit Herwadkar
Roger Laitt
Publication date
01-06-2009
Publisher
Springer-Verlag
Published in
Surgical and Radiologic Anatomy / Issue 5/2009
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI
https://doi.org/10.1007/s00276-008-0448-9

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