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Parathyroid Carcinoma Mimicking a Parathyroid Adenoma on [18F]F-Choline-PET With Occult Metastases
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DOI：10.1097/RLU.0000000000006555.png)
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Abstract
En 中文
An 80-year-old man with hypercalcemia and hyperparathyroidism was suspected of having a parathyroid adenoma, which was localized on [18F]F-choline-PET/CT. Still, after surgical removal of the suspected adenoma with an intraoperative parathyroid hormone decrease of >50%, severe hypercalcemia recurred quickly. A repeated [18F]F-choline-PET/CT raised suspicion of a single contralateral parathyroid adenoma or multiglandular disease. Given the inconclusive findings, a histological reassessment of the suspected parathyroid adenoma showed the presence of a singular vessel invasion, which alerted the diagnosis to parathyroid carcinoma. An additionally performed [18F]FDG-PET/CT revealed a liver lesion and MRI confirmed multiple liver metastases, which could not be seen on [18F]F-choline-PET/CT.
Keywords:
[18F]F-choline-PET/CT
[18F]FDG-PET/CT
parathyroid adenoma
parathyroid carcinoma
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