GRPR and central nervous system cancer: In this context, it is very important to highlight the possible role of GRPR-targeted therapy in these tumors, as underlined in an interesting study by Zhang et al. In fact, the authors showed the feasibility of 68Ga-NOTA-AcaBBN(7–14) PET in eight children with optical pathway glioma, and all lesions showed high uptake of the radiopharmaceutical [107].