PSMA-11 is a peptidomimetic in which the Glu-Urea-Lyssequence enables selective binding to PSMA. Conjugation of PSMA-11 with the radioactive isotope Ga-68 enablesits application in PET/CT imaging. Theresulting 68Ga-PSMA-11 complex offers high sensitivity and specificityfor the detection of metastatic or recurrent prostate cancer, playinga crucial role in diagnosis, staging, and monitoring. It has transformed prostate cancer imagingby allowing the identification of smaller lesions that may evade detectionby conventional imaging techniques. The gene discussed is FOLH1; the disease is prostate cancer.