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Thermal Ablation for Small Papillary Thyroid Cancer: A Systematic Review
Se Jin Cho1, Jung Hwan Baek1, Sae Rom Chung1
1Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.
Thyroid : Official Journal of the American Thyroid Association
|November 20, 2019
Summary
Thermal ablation offers excellent local tumor control for low-risk papillary thyroid microcarcinomas (PTMCs). This systematic review found no local recurrence or distant metastasis, with minimal lymph node metastasis in patients undergoing thermal ablation for PTMCs.
Area of Science:
- Oncology
- Minimally Invasive Surgery
Background:
- Papillary thyroid microcarcinomas (PTMCs) are small thyroid cancers.
- Clinical studies suggest thermal ablation is effective for PTMCs.
- Systematic evaluation of thermal ablation for low-risk PTMCs is lacking.
Purpose of the Study:
- To systematically evaluate the efficacy of thermal ablation for low-risk papillary thyroid microcarcinomas.
- To assess local tumor control and adverse events following thermal ablation in PTMC patients.
Main Methods:
- Systematic review of Ovid-MEDLINE and EMBASE databases up to May 1, 2019.
- Included studies reporting thermal ablation efficacy in low-risk PTMCs.
- Data extraction and quality assessment by two radiologists following PRISMA guidelines.
Main Results:
- 503 low-risk PTMCs in 470 patients from 9 studies were analyzed.
- No local tumor recurrence or distant metastasis observed.
- 0.4% experienced lymph node metastasis; 0.2% developed new PTMC, successfully treated.
Conclusions:
- Thermal ablation is an excellent method for local tumor control in low-risk PTMCs.
- Favorable outcomes require strict inclusion criteria and technical expertise.
- Further research may refine patient selection and procedural techniques.
