Related Experiment Video
Updated: Sep 23, 2025
04:01
Transoral Robotic Total Thyroidectomy and Bilateral Central Regional Lymph Node Dissection for Papillary Thyroid Carcinoma
Published on: September 15, 2023
968
Incidence of thymic tissue in pediatric thyroidectomy
Grace Sahyouni1, Beth Osterbauer2, Soyun Park1
1Keck School of Medicine, University of Southern California, 1975 Zonal Ave, Los Angeles, CA, 90033, USA.
Summary
Pediatric thyroidectomy can lead to unintentional thymic tissue excision, especially with central neck dissection or incidental parathyroidectomy. Surgeons should be aware of this risk during pediatric thyroid surgeries.
Area of Science:
- Pediatric Surgery
- Endocrine Surgery
- Surgical Pathology
Background:
- Technical nuances in pediatric thyroidectomy are underreported.
- Rates of unintentional thymic tissue excision during pediatric thyroidectomy are not previously documented.
Purpose of the Study:
- To determine the incidence of thymic tissue excision in pediatric thyroidectomy specimens.
- To explore correlations between preoperative factors and thymic tissue excision.
- To investigate associations with long-term outcomes.
Main Methods:
- Retrospective review of pediatric thyroidectomy cases (2010-2020).
- Definition of "presence of thymic tissue" (PTT) based on pathologist documentation.
- Analysis of patient characteristics, operative details, and disease data for correlation with PTT.
Main Results:
- 53% of 209 patients had thymic tissue (PTT) in surgical specimens.
- Concomitant central neck dissection increased odds of PTT by 3.3 times (p=0.013).
- Incidental parathyroidectomy (IPE) increased odds of PTT by 8.99 times (p<0.001).
Conclusions:
- This study is the first to report on thymic tissue excision rates in pediatric thyroidectomy.
- Surgeons must anticipate thymic tissue during pediatric thyroidectomies.
- Awareness of PTT is crucial due to risks of incidental parathyroid gland excision and exceeding surgical margins.
