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Surgical and Radiologic Anatomy
Published in: Surgical and Radiologic Anatomy 4/2007

01-05-2007 | Medical Imaging

CT angiographic depiction of a supraclinoid ICA fenestration mimicking aneurysm, confirmed with catheter angiography

Authors: Aditya Bharatha, Allan J. Fox, Richard I. Aviv, Sean P. Symons

Published in: Surgical and Radiologic Anatomy | Issue 4/2007

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Abstract

Fenestrations (segmental duplications) of the intracranial arteries are rare anomalies that have been associated with aneurysms. Fenestrations of the supraclinoid ICA are extremely rare, with only a few reported cases. We present a supraclinoid ICA fenestration, which on axial CTA images initially mimicked an aneurysm, but was correctly delineated as a fenestration on multiplanar reformatted and 3D reconstructed images. Confirmation was made with conventional angiography. To our knowledge, this represents the first time that this rare variant has been identified with cross-sectional imaging. A review of the literature including proposed embryology is provided.
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Metadata
Title
CT angiographic depiction of a supraclinoid ICA fenestration mimicking aneurysm, confirmed with catheter angiography
Authors
Aditya Bharatha
Allan J. Fox
Richard I. Aviv
Sean P. Symons
Publication date
01-05-2007
Publisher
Springer-Verlag
Published in
Surgical and Radiologic Anatomy / Issue 4/2007
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI
https://doi.org/10.1007/s00276-007-0205-5

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