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Surgical and Radiologic Anatomy
Published in: Surgical and Radiologic Anatomy 2/2010

01-02-2010 | Anatomic Variations

Incidental finding of fenestration of the supraclinoid internal carotid artery with appearances on magnetic resonance angiography

Authors: Andrew A. Plumb, Amit Herwadkar, Gwynedd Pickett

Published in: Surgical and Radiologic Anatomy | Issue 2/2010

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Abstract

A case of incidentally diagnosed fenestration of the supraclinoid internal carotid artery (ICA) with an associated aneurysm is presented. We present appearances on magnetic resonance angiography, which have not been previously described. Careful interrogation of the data in volume-rendered and multiplanar reformats was required to make the diagnosis. The relationship between fenestrations and aneurysms in the anterior circulation is discussed both in general terms and with specific regard to the supraclinoid ICA. We also review the embryology of the distal ICA, which may help explain the adult anatomy of this rare lesion as a failure of caudal separation of the rostral and caudal divisions of the primitive distal ICA.
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Metadata
Title
Incidental finding of fenestration of the supraclinoid internal carotid artery with appearances on magnetic resonance angiography
Authors
Andrew A. Plumb
Amit Herwadkar
Gwynedd Pickett
Publication date
01-02-2010
Publisher
Springer-Verlag
Published in
Surgical and Radiologic Anatomy / Issue 2/2010
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI
https://doi.org/10.1007/s00276-009-0555-2

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