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Isolation and Cannulation of Cerebral Parenchymal Arterioles
09:49

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Published on: May 23, 2016

Normal cerebral arterial development and variations.

Sudhir Kathuria1, Lydia Gregg, James Chen

  • 1Department of Radiology, Johns Hopkins Hospital, Baltimore, MD 21287, USA.

Seminars in Ultrasound, CT, and MR
|May 21, 2011
PubMed
Summary
This summary is machine-generated.

Understanding cerebral vascular anatomy and its variations is crucial for accurate diagnosis and preventing iatrogenic complications. This overview details cranial arterial development and common anomalies with clinical significance.

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Area of Science:

  • Neuroscience
  • Vascular Anatomy
  • Embryology

Background:

  • Cerebral vascular architecture is complex and heterogeneous.
  • Historically, brain vasculature was thought to consist of end-arteries, a concept challenged by anatomical studies.
  • Detailed understanding of cerebral vascular anatomy and embryology is essential.

Purpose of the Study:

  • To provide an overview of cranial arterial anatomy development.
  • To emphasize common anatomical variations and their clinical implications.
  • To discuss embryologic processes, pathology, and clinical significance of these variations.

Main Methods:

  • Review of anatomical and embryological studies on cranial vasculature.
  • Focus on commonly encountered anatomical variations.
  • Description of associated pathologies and clinical consequences.

Main Results:

  • The brain vasculature forms an interconnected network, not solely end-arteries.
  • Common variations include aberrant internal carotid arteries, carotid agenesis/hypoplasia, azygous anterior cerebral arteries, arterial fenestrations, and persistent embryonic vessels.
  • Failure to recognize these variations can lead to misdiagnosis and iatrogenic injuries.

Conclusions:

  • Awareness of cerebral vascular anatomical variations is critical for clinical practice.
  • Understanding embryologic origins aids in identifying and managing these variations.
  • Proper recognition prevents misdiagnosis and iatrogenic complications in neurovascular procedures.