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Updated: Jan 13, 2026

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Computer-Aided Three-Dimensional Visualization in the Treatment of Locally Advanced Thyroid Cancer
Published on: June 9, 2023
931
Persistent and Recurrent Differentiated Thyroid Cancer: A Surgical Perspective on Overdiagnosis
Serhat Binici1, Firat Aslan1, Emrah Dagtekin1
1Department of General Surgery, Faculty of Medicine, Van Yüzüncü Yil University, Van.
The Journal of Craniofacial Surgery
|January 9, 2026
Summary
Most early reoperations for differentiated thyroid carcinoma (DTC) are true recurrences under new 2025 guidelines. The updated American Thyroid Association (ATA) framework reclassifies early surgical interventions, impacting patient management and treatment strategies.
Area of Science:
- Endocrinology
- Surgical Oncology
- Thyroid Cancer Research
Background:
- Differentiated thyroid carcinoma (DTC) incidence is rising, leading to concerns about overdiagnosis and overtreatment.
- The 2025 American Thyroid Association (ATA) guidelines introduce a new 90-day cutoff for disease-free status (DFS), altering definitions of persistent disease and recurrence from the 2015 framework.
Purpose of the Study:
- To evaluate early reoperations in a differentiated thyroid carcinoma (DTC) cohort.
- To assess whether early reoperations represent disease persistence or true recurrence based on the 2015 and 2025 ATA classifications.
Main Methods:
- Retrospective analysis of 81 DTC patients who underwent surgery between 2016 and 2023.
- Analysis of demographic, pathologic, and biochemical data, including serum thyroglobulin (Tg) levels.
- Classification of reoperation timing using 3- and 12-month cutoffs.
Main Results:
- 63% of patients required reoperation within 12 months; 27% within 3 months.
- Most early reoperations (≤12 months) were classified as persistence under 2015 ATA criteria but as recurrence under 2025 ATA definitions.
- Serum thyroglobulin (Tg) levels did not correlate with reoperation timing; neck dissection increased complication rates.
Conclusions:
- Early reoperations in DTC are predominantly true recurrences according to the 2025 ATA framework.
- Standardized DFS-based classification, risk stratification, and experienced surgical teams can optimize outcomes and minimize unnecessary reoperations.

