A recent post on this website discussed the newly approved PSMA-PET scan for the detection of smaller areas of metastatic cancer. Here are five important pieces of information from the Prostate Cancer Foundation about the recently approved gallium-68 PSMA-PET scan. They are: 1) exactlywhat is PSMA-PET scanning? 2) how does it work? 3) is the radiation in PSMA-PET scans dangerous? 4) is PSMA-PET right for every cancer patient? and, 5) where can I get a PSMA-PET scan?. See the following link.