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

Surgical and Radiologic Anatomy volume 32, pages 165–169 (2010)Cite this article

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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Conflict of interest statement

We declare that we have no conflict of interest.

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Affiliations

  1. Department of Radiology, Greater Manchester Neurosciences Centre, Greater Manchester, UK

    Andrew A. Plumb & Amit Herwadkar

  2. Department of Neurosurgery, Greater Manchester Neurosciences Centre, Greater Manchester, UK

    Gwynedd Pickett

  3. Department of Diagnostic Radiology, Stopford Building, Oxford Rd, Manchester, M13 9PT, UK

    Andrew A. Plumb

Authors
  1. Andrew A. Plumb
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  2. Amit Herwadkar
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  3. Gwynedd Pickett
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Correspondence to Andrew A. Plumb.

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Plumb, A.A., Herwadkar, A. & Pickett, G. Incidental finding of fenestration of the supraclinoid internal carotid artery with appearances on magnetic resonance angiography. Surg Radiol Anat 32, 165–169 (2010). https://doi.org/10.1007/s00276-009-0555-2

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  • DOI: https://doi.org/10.1007/s00276-009-0555-2

Keywords

  • Angiography
  • Magnetic resonance angiography