Discordant Uptake of Leg Thrombi Versus Pulmonary Emboli on 68 Ga-FAPI-46 PET/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 37801589.
- Also identified by DOI 10.1097/RLU.0000000000004891.
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Abstract
Fibroblast activation protein inhibitor (FAPI) PET is gaining clinical relevance for visualizing activated fibroblasts in various diseases. Here, we report discordant FAPI uptake between venous thrombi of the lower extremities and pulmonary emboli. An 86-year-old man complained of left leg swelling and acute dyspnea; he was diagnosed with deep vein thrombosis involving the left femoral vein and acute pulmonary thromboembolism. Positive FAPI uptake was observed only in the thrombi of the left femoral vein, but not in the pulmonary emboli. Such discrepancies may indicate different thrombus constituents and chronologies even in the same patient.
Medical subject headings
- Pulmonary Embolism
- Thrombosis