68Ga-PSMA-11 PET Scan Accurate, Safe in Detecting Recurrent PC, Study Says

68Ga-PSMA-11 PET Scan Accurate, Safe in Detecting Recurrent PC, Study Says
68Ga-PSMA-11 PET scans are highly accurate, reproducible, and safe for detecting prostate cancer that has come back after prior therapy with prostate surgery or radiation therapy, a study shows. The report, "Assessment of 68Ga-PSMA-11 PET Accuracy in Localizing Recurrent Prostate Cancer," was published in the journal JAMA Oncology. In men whose prostate cancer has come back — seen by a rise in prostate-specific antigen (PSA) blood tests — international guidelines recommend computed tomography (CT), magnetic resonance imaging (MRI), and bone scans to visualize the cancer's location and whether it has spread. But these imaging techniques may have low sensitivity, specifically when PSA levels are low. Thus, researchers have been developing tracers for positron emission tomography (PET) imaging that light up prostate cancer before it is evident on other imaging tests. PET scans use probes called radiotracers, which are specific molecules linked to or "labeled" with a small bit of radioactive material, making them detectable on the scan. The non-radioactive part of
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Ana is a molecular biologist enthusiastic about innovation and communication. In her role as a science writer she wishes to bring the advances in medical science and technology closer to the public, particularly to those most in need of them. Ana holds a PhD in Biomedical Sciences from the University of Lisbon, Portugal, where she focused her research on molecular biology, epigenetics and infectious diseases.

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