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Updated: May 5, 2026
08:16
Intra-Operative Neural Monitoring of Thyroid Surgery in a Porcine Model
Published on: February 11, 2019
21.2K
Ultrasound Visualization of the Recurrent Laryngeal Nerve: A Prospective Clinical Validation Study
Xiang-Yun Yao1, Xin Li2, Bo Yu1
1Department of Ultrasound, Peking University Third Hospital, Haidian District, Beijing, China.
Annals of Surgical Oncology
|November 18, 2024
Summary
High-resolution ultrasonography (HRUS) effectively visualizes the recurrent laryngeal nerve (RLN) during thyroid surgery. This approach aids in precise localization and planning for nerve protection.
Area of Science:
- Surgical anatomy
- Medical imaging
- Neurosurgery
Background:
- Optimizing recurrent laryngeal nerve (RLN) visualization is crucial for thyroidectomy outcomes.
- High-resolution ultrasonography (HRUS) offers potential for improved intraoperative nerve identification.
Purpose of the Study:
- To evaluate the efficacy of a lateral transthyroid approach using HRUS for recurrent laryngeal nerve (RLN) visualization.
- To determine the accuracy of preoperative RLN localization via HRUS.
Main Methods:
- Prospective study of 85 patients undergoing thyroidectomy.
- Preoperative RLN visualization using HRUS with lateral transthyroid approach.
- Intraoperative verification of RLN localization via HRUS and neuromonitoring.
Main Results:
- HRUS achieved 93.6% accuracy in preoperative RLN localization.
- RLN visualization was excellent at the inferior thyroid artery and thyroid nodule.
- Significant differences in RLN size were observed between males and females.
Conclusions:
- A lateral transthyroid approach with HRUS enables effective RLN visualization and precise localization.
- HRUS aids in predicting anatomic variations and tumor invasion, improving surgical planning and nerve protection.
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