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Imaging detection of cerebral artery fenestrations and their clinical correlation with cerebrovascular diseases

Xuan Wu1, Xinyuan Chen1, Jiting Zhu1

  • 1Department of Neurology, the First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China.

Clinical Imaging
|February 18, 2020
PubMed

Insights

Cerebral artery fenestrations are uncommon but linked to vascular issues like aneurysms and infarctions, particularly in the basilar artery. Further research is needed to confirm cause-and-effect relationships.

Area of Science:

  • Neurology
  • Vascular Imaging
  • Radiology

Background:

  • Cerebral artery fenestrations are incidentally detected during neuroimaging.
  • These findings are reportedly associated with aneurysms and cerebrovascular diseases.

Purpose of the Study:

  • To analyze the prevalence, location, and associated vascular diseases of cerebral artery fenestrations.
  • To investigate potential links between fenestrations and cerebrovascular events.

Main Methods:

  • Retrospective analysis of computed tomographic angiography (CTA) and magnetic resonance angiography (MRA) data.
  • Inclusion of patients with cerebral artery fenestrations examined between January 2014 and December 2017.
  • Description of fenestration location, size, and co-existing vascular abnormalities.

Main Results:

  • A detection rate of 1.13% (208/18,360 patients) for cerebral artery fenestrations.
  • Basilar artery fenestrations were most common (50.2%).
  • Associated findings included vascular malformations (41 patients, including 29 aneurysms) and cerebral infarctions (26 patients).

Conclusions:

  • Cerebral artery fenestration is an infrequent finding, predominantly affecting the basilar artery.
  • Fenestrations may be associated with cerebrovascular diseases and malformations.
  • The current study could not establish a definitive cause-to-effect relationship.
Abstract

Keywords:
AneurysmCerebral arteryCerebral infarctionFenestrationVascular malformations

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