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Related Experiment Videos

Non-recurrent laryngeal nerve.

S E Wijetilaka

    The British Journal of Surgery
    |March 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    A rare non-recurrent right laryngeal nerve variant was found in 203 thyroidectomies. This anatomical variation presents a unique surgical challenge during thyroid surgery.

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    Area of Science:

    • Anatomy
    • Surgery
    • Laryngology

    Background:

    • The recurrent laryngeal nerve (RLN) is crucial for vocal cord function.
    • Thyroidectomy is a common surgical procedure where RLN injury can lead to vocal cord paralysis.
    • Variations in RLN anatomy can complicate surgical dissection.

    Observation:

    • Two instances of a right non-recurrent laryngeal nerve were identified during 203 thyroidectomy procedures.
    • The anomalous nerve followed an aberrant course, originating from under the carotid sheath.
    • This non-recurrent nerve adopted a transverse orientation, perpendicular to the typical RLN path.

    Findings:

    • The prevalence of this right non-recurrent nerve variant was approximately 1% in the studied cohort.
    • The aberrant nerve's trajectory deviates significantly from the standard anatomical course.

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  • This anatomical anomaly necessitates careful surgical identification to prevent iatrogenic injury.

    • Implications:

    • Surgeons must be aware of this rare non-recurrent laryngeal nerve variation during thyroidectomies.
    • Recognition of this anomaly can help prevent inadvertent nerve damage and subsequent vocal cord dysfunction.
    • Understanding anatomical variations is key to improving surgical safety and patient outcomes in thyroid surgery.