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Internal Jugular Vein Fenestration: An Intraoperative Finding Without a Radiological Clue.

Youssef Aladham¹, Sheikh Muktadir Bin Momin¹, Omar Ahmed¹

¹Otolaryngology, East Kent Hospitals University NHS Foundation Trust, Ashford, GBR.

|February 15, 2022

Summary

This summary is machine-generated.

Understanding anatomical variations of the internal jugular vein (IJV) is crucial for safe neck surgeries. This case highlights a rare fenestrated IJV with a unique spinal accessory nerve relationship, emphasizing the need for detailed anatomical knowledge.

Keywords:

anatomical anomalies duplication fenestration internal jugular vein neck dissection split

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Area of Science:

Anatomy
Vascular Surgery
Surgical Anatomy

Background:

Accurate anatomical knowledge of the internal jugular vein (IJV) is vital for preventing complications during neck dissections.
Variations in IJV anatomy and its relationship with adjacent nerves, like the spinal accessory nerve, can pose surgical challenges.

Observation:

A rare case of internal jugular vein (IJV) fenestration was identified during an intraoperative procedure.
In this specific case, the spinal accessory nerve coursed laterally to both divisions of the fenestrated IJV.

Findings:

The study describes a fenestrated internal jugular vein (IJV), a condition where the vein bifurcates and then rejoins before the subclavian vein.
The anatomical relationship between this fenestrated IJV and the spinal accessory nerve was notably variable, with the nerve passing lateral to both venous branches.

Implications:

This case underscores the importance of recognizing rare anatomical variations of the IJV and spinal accessory nerve during surgical planning.
Enhanced awareness of such variations can improve surgical safety and reduce the risk of iatrogenic injuries in neck procedures.
Detailed preoperative imaging and intraoperative vigilance are recommended for complex neck dissections involving the IJV.