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Computer-Aided Three-Dimensional Visualization in the Treatment of Locally Advanced Thyroid Cancer
Published on: June 9, 2023
Intraoperative radiation therapy in advanced thyroid cancer
G Wolf1, E Geyer, W Langsteger
1Division of Endocrine Surgery, University of Graz, Austria.
Summary
Intraoperative radiation therapy (IORT) shows promise for aggressive thyroid cancer. This study found IORT effectively controlled thyroid bed tumors in all patients, with no specific complications observed.
Area of Science:
- Oncology
- Radiation Oncology
- Thyroid Cancer Research
Background:
- Differentiated thyroid tumors can exhibit aggressive features like vascular and capsular invasion.
- Poorly differentiated non-anaplastic thyroid carcinoma requires advanced treatment strategies.
Purpose of the Study:
- To evaluate the efficacy and safety of an intraoperative radiation therapy (IORT) protocol for advanced thyroid carcinoma.
- To assess tumor control and complications in patients with locally invasive or recurrent thyroid tumors.
Main Methods:
- A protocol for intraoperative radiation therapy (IORT) was developed for poorly differentiated non-anaplastic thyroid carcinoma.
- Five patients with marked vascular/capsular invasion (3 primary, 2 recurrent) received IORT (4-10 GY) post-surgery, combined with percutaneous irradiation.
Main Results:
- Complete tumor control in the thyroid bed was achieved in all five patients.
- One patient developed mediastinal nodes, and another with primary mediastinal extension showed tumor progression.
- No specific treatment-related complications were reported.
Conclusions:
- IORT, combined with conventional radiotherapy, appears effective for local tumor control in selected aggressive thyroid cancer cases.
- Further investigation is warranted for managing mediastinal involvement and preventing progression in these high-risk patients.
