Thyroid scan Related Documents 16. Related Documents 17. Join John C. Blasko, MD, director of Clinical Research at the Seattle Prostate Institute, for a discussion about the use of radioactive seeds in the battle against prostate cancer. Related Documents 18. USP DI Vol.
Radiopaque agents are drugs used to help diagnose certain medical problems.
They contain iodine, which blocks x-rays. Depending on how the radiopaque agent is given, it localizes or builds up in certain areas of the body. Related Documents 19. USP DI Vol. Radiopharmaceuticals are radioactive agents, which may be used to diagnose some diseases by studying the function of the body's organs or to treat certain diseases.