Intra-patient comparison of tracer uptake and biodistribution of [68Ga]Ga-FAPI-46 and [18F]AlF-FAPI-74.
PURPOSE To compare the tracer uptake and biodistribution of [68Ga]Ga-FAPI-46 and [18F]AlF-FAPI-74 in an intra-patient study design. METHODS This substudy of a large prospective trial included five patients with fibrotic lung disease who underwent both [68Ga]Ga-FAPI-46 and [18F]AlF-FAPI-74 PET/CT. Imaging was performe...