The other applications for which 68Ga-PSMA PET/CT is employed at ourfacility will also need to be better defined in the future, although some smallcases series have been conducted, for example, for the evaluation of the response totreatment of kidney and prostate cancer(18,19), suspicion of recurrence of kidneycancer(4), and mapping of the extent of disease in theprostate(20). The gene discussed is FOLH1; the disease is prostate cancer.