[⁶⁸Ga]Ga-FAPI-46 PET for Visualization of Postinfarction Renal Fibrosis

(Row 1) Preembolization angiography with contrast extravasation of lower branch of left renal artery and tumor-associated neovasculature (left panel, circle) and postembolization angiography showing occlusion of arterial vessels (right panel, circle). (Rows 2 and 3, from left to right) Maximum-intensity-projection, CT, PET, and PET/CT images obtained with [⁶⁸Ga]Ga-FAPI-46 and [¹⁸F]FDG. Blue arrows denote primary tumor, and red arrows denote embolization area. (Row 4) Immunohistochemistry staining (left panel) and hematoxylin and eosin staining (right panel) (scale bars = 25 μm).