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Updated: Nov 22, 2025

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Transoral Endoscopic Thyroidectomy Vestibular Approach for Thyroid Lobectomy
Published on: May 12, 2023
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Endoscopic cephalic access thyroid surgery (EndoCATS) using the retroauricular approach - a single centre
Thomas von Ahnen1, Ulrich Wirth2,3, Martin von Ahnen2
1Department of General, Visceral, Vascular and Endocrine Surgery, Agatharied Hospital, Norbert Kerkel Platz, 83734, Hausham, Germany. Vonahnen2002@yahoo.de.
Surgical Endoscopy
|January 11, 2021
Summary
Endoscopic thyroid surgery using EndoCATS is safe and effective, with reduced operation times after initial training. Patients report good or improved general health post-surgery, highlighting its cosmetic and functional benefits.
Area of Science:
- Minimally Invasive Surgery
- Surgical Technology
- Endocrinology
Background:
- Advancements in endoscopic and robotic technologies have driven increased adoption of minimally invasive thyroid surgery.
- Patient demand for improved cosmetic outcomes also contributes to the rise of these techniques.
Purpose of the Study:
- To evaluate the short- and long-term outcomes of endoscopic thyroid surgery using EndoCATS.
- To assess the learning curve associated with the EndoCATS procedure.
- To analyze the impact on patients' Quality of Life (QoL).
Main Methods:
- Study included 150 patients undergoing 152 hemithyroidectomies with EndoCATS between 2010 and 2016.
- Perioperative outcomes, including operation time, complications, and QoL, were assessed.
- Analysis included evaluation of the learning curve, with operation time reduction noted after the 53rd case.
Main Results:
- No acute rebleeding or permanent hypoparathyroidism observed.
- Permanent recurrent laryngeal nerve (RLN) palsy occurred in 1.97% of nerves at risk.
- No pneumothorax, infections, or skin flap ischemia; 94.11% of patients reported good or better general health post-surgery.
Conclusions:
- EndoCATS is a safe and effective single-port access endoscopic thyroid surgery technique.
- Extensive training is necessary due to the procedure's demanding nature.
- Advantages include excellent visualization of critical structures and efficient specimen retrieval.

