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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
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Pure arterial malformations.

Waleed Brinjikji1,2, Harry J Cloft1,2, Kelly D Flemming3

  • 1Departments of1Radiology.

Journal of Neurosurgery
|September 30, 2017
PubMed
Summary
This summary is machine-generated.

Pure arterial malformations are rare, often incidentally found vascular lesions. These intracranial arteries typically have a benign natural history and may be best managed conservatively.

Keywords:
ACA = anterior cerebral arteryAICA = anterior inferior cerebellar arteryBA = basilar arteryICA = internal carotid arteryMCA = middle cerebral arteryPCA = posterior cerebral arteryPCoA = posterior communicating arteryPICA = posterior inferior cerebellar arterySCA = superior cerebellar arteryaneurysmvascular disordersvascular malformation

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Area of Science:

  • Neurology
  • Vascular Malformations
  • Radiology

Background:

  • Isolated case reports of purely arterial malformations exist.
  • This study focuses on a consecutive series of patients with these rare lesions.

Purpose of the Study:

  • To report on the clinical and radiological features of pure arterial malformations.
  • To emphasize the characteristics and natural history of these vascular lesions.

Main Methods:

  • Defined pure arterial malformations as dilated, tortuous arteries without venous components.
  • Collected demographic data, risk factors, presentation, imaging characteristics, and follow-up.
  • Primary outcomes included new neurological symptoms, disability, stroke, and hemorrhage.

Main Results:

  • Twelve patients (10 female, 2 male) were identified, mean age 26.2 years.
  • Headache was the most common indication; lesions involved various intracranial arteries.
  • No associated hemorrhage or infarction occurred; no neurological deficits developed during follow-up.

Conclusions:

  • Pure arterial malformations are rare, often incidentally detected lesions.
  • These malformations likely possess a benign natural history.
  • Conservative management is likely the most appropriate approach for these lesions.