GRPR and posterior cortical atrophy: Initial imaging studies using GRPR-targeting radiopharmaceuticals, such as [68Ga]Ga-RM2, [68Ga]Ga-RM26, [68Ga]Ga-SB3 and [68Ga]Ga-NeoBOMB1/NeoB, have shown promising results in the detection of prostate lesions and lymph node metastases of newly diagnosed and recurrent PCa.