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Aberrant right subclavian artery--three case reports

Masanori Tsutsumi1, Yasushi Ueno, Kiyoshi Kazekawa

  • 1Department of Neurosurgery, Fukuoka University Chikushi Hospital, Japan. tsutsumi@fukuoka-u.ac.jp

Neurologia Medico-Chirurgica
|October 10, 2002
PubMed

Insights

Aberrant right subclavian artery is an anatomical variation found incidentally during angiography. Though asymptomatic in these cases, recognizing this anomaly is crucial for neurovascular procedures.

Area of Science:

  • Vascular anatomy
  • Neurointerventional radiology

Background:

  • Aberrant right subclavian artery (ARSA) is a congenital anomaly.
  • Its clinical significance in neurovascular disease is not well-defined.

Observation:

  • Three patients with ARSA were identified via conventional angiography.
  • ARSA was incidentally detected in patients presenting with cerebrovascular events.

Findings:

  • ARSA was asymptomatic in all three patients.
  • Associated conditions included cerebral infarction, intracranial atherosclerosis, and subarachnoid hemorrhage.

Implications:

  • Awareness of ARSA is vital for accurate interpretation of diagnostic neuroangiography.
  • Knowledge of this variation aids in planning and executing interventional neuroradiology procedures safely.

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