Intravenous Tumor Thrombus From Papillary Carcinoma of Thyroid Demonstrated by 18F-FDG PET/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 35025802.
- Also identified by DOI 10.1097/RLU.0000000000004001.
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Abstract
A 24-year-old man with papillary thyroid carcinoma underwent 131I ablation after thyroidectomy. On posttherapy whole-body scintigraphy, only the remnant thyroid was visualized. In view of elevated unstimulated thyroglobulin level 7 months after 131I ablation, 18F-FDG PET/CT scan was ordered for further evaluation. On PET/CT images, a large filling defect from the dilated left brachiocephalic vein to superior vena cava was noted corresponding with high FDG uptake. It was considered as a malignant thrombus.
Medical subject headings
- Carcinoma, Papillary
- Thrombosis
- Thyroid Neoplasms