Custom Search
A radiotracer (bone-seeking radionuclide) is injected into the bloodstream through a vein. As it decays, the radiotracer emits gamma radiation, which is detected by a camera that slowly scans your body. The camera captures images of how much radiotracer collects in the bones. Several bone-seeking radiopharmaceutical have been used:
Dyphosphonates (MDP and MHDP) are the most common used. The advantages of dyphosphonates include:
Bone uptake depends on several factors:
Non-osseous structures normally seen on bone scintigrams are kidneys and bladder, as technetium 99m diphosphonates are excreted primarily via the urinary tract.