Detection of Muscular Metastasis in a Case of Parathyroid Carcinoma Using 18 F-FAPI-04 PET/CT.

Chen, Jie; Zhao, Min; An, Qi; Wei, Lan; Chen, Bin · Clin Nucl Med · 2024

case_report · Level V

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Abstract

A 46-year-old woman underwent surgery for parathyroid carcinoma 2 years ago. During follow-up, the patient presented with elevated parathyroid hormone (127.50 pg/mL; normal, 15-65). No abnormal uptake of 18 F-FDG or 11 C-choline was observed on 18 F-FDG and 11 C-choline PET/CT imaging. The patient was enrolled in a clinical trial for 18 F-FAPI PET/CT imaging, revealing a lesion with intense focal uptake within the left sternocleidomastoid muscle. The patient underwent surgery. Postoperative pathology and immunohistochemical analysis confirmed parathyroid carcinoma metastasis.

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