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Cerebral aneurysms associated with segmental dilative arteriopathy of the circle of Willis

Yoshifumi Horita1, Takeshi Mikami1, Kiyohiro Houkin2

  • 1Department of Neurosurgery, Sapporo Medical University, Sapporo, Japan.

Surgical Neurology International
|July 14, 2015
PubMed

Insights

This study presents two rare cases of saccular aneurysms linked to dilative arteriopathy in the anterior circulation. Successful surgical clipping resulted in full patient recovery without neurological deficits.

Area of Science:

  • Neuroscience
  • Vascular Neurology
  • Cerebrovascular Diseases

Background:

  • Dilative arteriopathy, a form of dolichoectasia, is occasionally seen in the posterior circulation and linked to stroke.
  • This condition involves tortuous and elongated arteries, sometimes associated with congenital anomalies.

Observation:

  • Two unusual cases of saccular aneurysms associated with segmental dilative arteriopathy in the anterior circulation are reported.
  • Case 1: A 39-year-old woman with irregular tortuosity and coiling of the left internal cerebral artery with saccular aneurysms.
  • Case 2: A 45-year-old woman with a ruptured saccular aneurysm in the coiling of the anterior cerebral artery.

Findings:

  • Both patients underwent successful surgical clipping of the aneurysms.
  • Both patients recovered uneventfully with no neurological deficits.

Implications:

  • Dilative arteriopathy of the circle of Willis is an uncommon anomaly.
  • This report details the first known cases of saccular aneurysms associated with dilative arteriopathy of the circle of Willis in patients without prior medical history.
  • Highlights the importance of recognizing and managing this rare cerebrovascular condition.
Abstract

Keywords:
Anterior cerebral arteryarteriopathydolichoectasiasubarachnoid hemorrhage

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