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Updated: Jun 12, 2026
05:12
Transoral Endoscopic Thyroidectomy Vestibular Approach for Thyroid Lobectomy
Published on: May 12, 2023
Contact endoscopy for identifying the parathyroid glands during thyroidectomy
A V Guimarães1, L G Brandão, R A Dedivitis
1Department of Head and Neck Surgery, São Paulo Medical School, University of São Paulo (LGB), Rua Dr. Olinto Rodrigues Dantas 343, São Paulo, Brazil. guimaraesav@uol.com.br
Summary
Contact endoscopy effectively aids surgeons in identifying parathyroid glands during thyroid surgery. Longer surgery times and identification times correlated with lower agreement, but experience improved accuracy.
Area of Science:
- Surgical Innovation
- Endoscopic Techniques
- Endocrinology
Background:
- Parathyroid gland identification during thyroid surgery is crucial to prevent complications.
- Traditional methods can be challenging, necessitating auxiliary tools.
- Contact endoscopy offers a potential solution for improved visualization.
Purpose of the Study:
- To evaluate contact endoscopy as an auxiliary tool for parathyroid gland identification during thyroid surgery.
- To identify factors influencing the accuracy of contact endoscopy in this context.
Main Methods:
- Analysis of 125 thyroid surgery cases between January 2004 and February 2006.
- Comparison of parathyroid gland identification by surgeons versus contact endoscopy.
- Statistical analysis of variables including surgery duration, identification time, and surgeon experience.
Main Results:
- Contact endoscopy identified 282 out of 331 observed parathyroid glands.
- Nine parathyroid glands (7.2%) were inadvertently left in thyroid specimens.
- Increased surgery duration and identification time negatively impacted agreement (p=0.03, p=0.00).
- Improved agreement was observed in the second year of using contact endoscopy (p=0.02).
Conclusions:
- Contact endoscopy is an efficient auxiliary method for parathyroid gland identification in thyroid surgery.
- Surgical duration and identification time are significant factors affecting accuracy.
- Experience with the technique enhances its reliability.
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