Pulmonary Cryptococcosis: Intense Uptake on Both 18 F-FDG and 68 Ga-FAPI PET/CT.

Liu, Mengna; Liu, Huipan; Chen, Xi; Zhang, Song; Cai, Liang · Clin Nucl Med · 2023

case_report · Level V

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Abstract

A 57-year-old woman without hepatitis B or immunodeficiency presented with right upper abdominal pain and cough for 3 months. CT revealed one nodule in the lung and another in the liver. Both 18 F-FDG and 68 Ga-FAPI PET/CT showed increased tracer uptake in these 2 nodules, suggesting pulmonary carcinoma with hepatic metastasis. Finally, biopsies of these 2 nodules demonstrated the diagnoses of hepatic adenocarcinoma and pulmonary cryptococcosis. This case highlights that cryptococcosis can be FAPI-avid.

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