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The vertebral artery: developmental pathology

R Giuffrè, S Sherkat

    Journal of Neurosurgical Sciences
    |May 19, 2000
    PubMed

    Insights

    The vertebral artery (VA) exhibits unique embryogenesis and numerous anomalies, some pathological and others incidental. Awareness of these VA variations is crucial for surgeons and interventional radiologists in deep cervical and cranio-spinal procedures.

    Area of Science:

    • Vascular anatomy and embryology
    • Cerebrovascular diseases
    • Surgical and interventional radiology

    Background:

    • The vertebral artery (VA) possesses a unique embryological development, distinguishing it from other major vessels.
    • It presents a wide spectrum of congenital anomalies and malformations, ranging from asymptomatic variations to clinically significant pathologies.

    Discussion:

    • This review details various VA anomalies including width, length, tortuosity, kinking, aberrant courses, duplication, fenestration, persistent primitive arteries, and collateral branch anomalies.
    • Pathological conditions such as spontaneous aneurysms and arteriovenous fistulae, particularly those linked to neurofibromatosis type 1 (NF1) and fibromuscular dysplasia (FMD), are also highlighted.

    Key Insights:

    • Understanding the diverse range of vertebral artery anomalies is essential for accurate diagnosis and safe surgical or interventional approaches.
    • Distinguishing between incidental anatomical variants and true pathological conditions of the VA is critical for patient management.

    Outlook:

    • Further research into the embryological basis of VA anomalies may elucidate underlying mechanisms and inform preventative strategies.
    • Enhanced imaging techniques and collaborative approaches between surgeons and radiologists can improve the detection and management of complex VA pathologies.

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