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Updated: Jan 30, 2026

Reliable Isolation of Central Nervous System Microvessels Across Five Vertebrate Groups
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Vertebral artery triplication.

Philippe Gailloud1

  • 1Division of Interventional Neuroradiology, The Johns Hopkins Hospital, 1800 E Orleans Street, Baltimore, MD, 21287, USA. phg@jhmi.edu.

Surgical and Radiologic Anatomy : SRA
|January 27, 2019
PubMed
Summary
This summary is machine-generated.

This study presents an extremely rare case of vertebral artery (VA) triplication in a child. Understanding this rare vascular anomaly is crucial for accurate diagnosis and treatment planning.

Keywords:
Anatomical variationAngiographyArteriesVertebral artery

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Area of Science:

  • Vascular anatomy
  • Embryology
  • Pediatric radiology

Background:

  • Vertebral artery (VA) anatomy is critical for neurovascular procedures.
  • Variations in VA origin can impact diagnostic and therapeutic interventions.
  • Rare congenital anomalies require detailed documentation for clinical understanding.

Observation:

  • A unique case of vertebral artery triplication was identified in a pediatric patient.
  • The triplication resulted from the simultaneous persistence of the 4th, 5th, and 6th primitive cervical intersegmental arteries.
  • A contralateral vertebral artery duplication was also observed in the same patient.

Findings:

  • The vertebral artery trifurcation originated from persistent primitive cervical intersegmental arteries at C4, C5, and C6 levels.
  • This represents a previously undocumented configuration of vertebral artery anatomy.
  • Associated contralateral vertebral artery duplication further highlights the rarity of the case.

Implications:

  • Accurate knowledge of rare vertebral artery variations is essential for safe cervicocranial angiography.
  • Understanding these anomalies aids in interpreting unusual findings on noninvasive imaging.
  • Such anatomical variations may increase the risk of arterial dissection.