FAPI PET Missed Widespread Bone Marrow Metastases From Follicular Thyroid Cancer That Were Detected by FDG PET.

Shi, Xuan; Lan, Wei; Bin, Ji · Clin Nucl Med · 2024

case_report · Level V

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Abstract

A 62-year-old woman with follicular thyroid cancer who had received total thyroidectomy and multiple rounds of radioactive iodine therapy underwent both 18 F-FDG and 18 F-FAPI PET/CT. 18 F-FAPI PET failed to reveal widespread bone marrow metastases that were clear visualized on 18 F-FDG PET. This case highlights that FAPI PET may not be used to describe bone metastases in detail in follicular thyroid cancer patients, as it is not a sensitive method to detect bone marrow metastases.

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