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Updated: Oct 1, 2025

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Solitary Nasopharyngeal Metastasis From Papillary Thyroid Carcinoma Shown on FDG PET/CT
1From the Department of Nuclear Medicine, Zhongshan Hospital, Fudan University; Nuclear Medicine, Institute of Fudan University; and Medical Imaging Institute of Shanghai, Shanghai, China.
Abstract:
It is very rare for papillary thyroid cancer metastasize to nasopharynx. We report FDG PET/CT findings of a solitary nasopharyngeal metastasis from papillary thyroid cancer 4 decades after the initial diagnosis in a 66-year-old woman, which mimics nasopharyngeal carcinoma. The final diagnosis was confirmed by pathological examination from the biopsy of nasopharyngeal lesion.
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