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. 2023 Mar;64(3):379–385. doi: 10.2967/jnumed.122.263889

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FIGURE 3. — Representative GRP-R and PSMA immunohistochemistry with corresponding ⁶⁸Ga-RM2 and ⁶⁸Ga-PSMA-617 PET/CT images from 2 patients. (Top) Hematoxylin, eosin, and saffron staining of ISUP-2 sample (×5 magnification) with negative PSMA immunohistochemistry (×5 magnification), negative ⁶⁸Ga-PSMA-617 PET/CT, positive GRP-R immunohistochemistry (×20 magnification), and positive ⁶⁸Ga-RM2 PET/CT. (Bottom) Hematoxylin, eosin, and saffron staining of ISUP-5 sample (×5 magnification) with positive PSMA immunohistochemistry (×5 magnification), positive ⁶⁸Ga-PSMA-617 PET/CT, negative GRP-R immunohistochemistry (×20 magnification), and negative ⁶⁸Ga-RM2 PET/CT. HES = hematoxylin, eosin, and saffron; IHC = immunohistochemistry. Intensity-scale bars indicate SUV.