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The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
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Variant Superior Thyroid Artery Origin from Vertebral Artery: Case Report.

Andrea Migliorelli1, Angelo Virgilio Pagliari2, Angelo Spinazzola3

  • 1Department of Neuroscience and Rehabilitation, ENT and Audiology Unit, University Hospital of Ferrara, Via A. Moro 8 (Cona), Ferrara, 44124 Italy.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|August 12, 2024
PubMed
Summary

Thyroid surgeons must know vascular anatomy variations. A rare case revealed the superior thyroid artery originating from the vertebral artery, a previously undocumented anatomical anomaly.

Keywords:
Anatomic variationsSuperior thyroid arteryThyroid goiterThyroidectomy

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Area of Science:

  • Anatomy
  • Vascular Surgery
  • Surgical Education

Background:

  • Familiarity with thyroid vascular anatomy and its variations is crucial for surgeons to prevent nerve damage during procedures.
  • Anatomical variations in the head and neck region can pose significant challenges in surgical interventions.
  • Understanding aberrant vasculature is key to improving patient safety in thyroid surgery.

Purpose of the Study:

  • To report a previously undescribed anatomical variation of the superior thyroid artery originating from the vertebral artery.
  • To highlight the importance of recognizing rare vascular anomalies in thyroid surgery.
  • To contribute to the existing knowledge base of head and neck vascular anatomy.

Main Methods:

  • Case report detailing a unique vascular anatomical finding.
  • Review of relevant anatomical literature and surgical case studies.
  • Intraoperative observation and anatomical description.

Main Results:

  • A case of the superior thyroid artery arising from the vertebral artery was identified.
  • This specific origin of the superior thyroid artery has not been previously documented in anatomical literature.
  • The finding underscores the potential for significant vascular variations in the thyroid region.

Conclusions:

  • Thyroid surgeons must be aware of potential variations in the origin of the superior thyroid artery.
  • This reported anomaly, originating from the vertebral artery, necessitates careful preoperative assessment and surgical planning.
  • Enhanced understanding of rare vascular variations improves surgical outcomes and patient safety in thyroid procedures.