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Fenestrated internal jugular vein: a rare finding in neck dissection
M Moreno-Sánchez1, C Hernández Vila1, R González-García1
1Department of Oral and Maxillofacial Head and Neck Surgery, University Hospital Infanta Cristina, Badajoz, Spain.
International Journal of Oral and Maxillofacial Surgery
|June 15, 2015
Summary
Fenestration of the internal jugular vein (IJV) is a rare anatomical variation. Awareness of this IJV anomaly is crucial for surgeons performing neck dissections to prevent vascular injury.
Area of Science:
- Vascular anatomy
- Surgical anatomy
- Head and neck surgery
Background:
- Squamous cell carcinoma of the oral cavity requires surgical intervention.
- Neck dissection is a common procedure for head and neck cancers.
- Anatomical variations can complicate surgical procedures.
Observation:
- During a radical neck dissection for oral cancer, a fenestration was identified in the internal jugular vein.
- The fenestration was located in the mid-portion of the internal jugular vein.
- No vascular or other structures were observed passing through the fenestration.
Findings:
- Fenestration of the internal jugular vein is an exceptionally rare finding.
- This case highlights a unique anatomical variation encountered during oncologic surgery.
- The fenestration did not appear to be a functional vessel or shunt.
Implications:
- Surgeons must maintain a high degree of vigilance for unusual vascular anatomy during neck dissections.
- Recognition of internal jugular vein fenestration is important to avoid inadvertent surgical trauma.
- Understanding rare anatomical variations improves patient safety in head and neck procedures.
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