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Updated: May 31, 2025

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18 F-FDG PET/CT Versus 18 F-FAPI PET/CT in Eosinophilic Liver Infiltration
Shuyi Li1, Jiucen Liang1, Hui Zeng2
1Department of Nuclear Medicine, Guangzhou Institute of Cancer Research, the Affiliated Cancer Hospital, Guangzhou Medical University.
Abstract:
A 48-year-old man presented with upper abdominal discomfort for 10 days. Abdominal contrast-enhanced CT showed multiple abnormal enhanced masses in liver, suggesting a probability of malignancies. The patient was then enrolled in a clinical trial of comparison of 18 F-FDG and 18 F-FAPI PET/CT in hepatic lesions. Compared with 18 F-FDG PET/CT, 18 F-FAPI PET/CT showed higher tracer uptake, more lesions in liver. Meanwhile, peripheral blood eosinophils increased remarkably. The hepatic lesions were highly suspected as eosinophilic liver infiltration. Finally, pathologic analysis confirmed the diagnosis of eosinophilic liver infiltration.
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