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Case Report: A rare case of chest wall thyroid carcinosarcoma
Tianyun Wang1, Chengpeng Sun1, Yuxi Wang2
1Department of Pathology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Frontiers in Oncology
|February 2, 2026
Summary
Thyroid carcinosarcoma, a rare aggressive cancer, was unusually found in a patient's chest wall years after treatment for papillary thyroid carcinoma. This case explores a potential link between radioactive iodine therapy and this rare tumor's development.
Area of Science:
- Oncology
- Endocrinology
- Pathology
Background:
- Thyroid carcinosarcoma (TCS) is a rare and aggressive malignancy.
- TCS is typically a primary thyroid neoplasm, but this case presents a chest wall occurrence.
- The patient had a history of papillary thyroid carcinoma (PTC) treated with radioactive iodine (RAI) therapy for metastatic disease.
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