Unusual 131 I Uptake in Talus May Reveal Distant Papillary Thyroid Cancer Metastasis With Anaplastic Transformation.
case_report · Level V
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- Record sourced from PubMed, PMID 40831007.
- Also identified by DOI 10.1097/RLU.0000000000006102.
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Abstract
Talus metastasis is rarely observed on a 131 I whole-body scan (WBS). We report a case of abnormal 131 I uptake in the talus on the post-therapeutic WBS in a 54-year-old woman with papillary thyroid cancer (PTC). The patient received 2 courses of radioactive 131 I therapy (RAIT) after the thyroid surgery. WBS after the second dose of RAIT showed that 131 I uptake in the right talus declined than the last post-therapeutic WBS presented. The talus lesion was confirmed to be metastatic PTC with anaplastic transformation by pathologic examination and immunohistochemistry.
Medical subject headings
- Iodine Radioisotopes
- Thyroid Neoplasms
- Talus
- Carcinoma
- Cell Transformation, Neoplastic
- Bone Neoplasms