Mapping the area of radioactivity during a sentinel node imaging procedure
Mapping the area of radioactivity during a sentinel node imaging procedure
Images derived from the use of the gamma camera to detect foci of radioactive uptake after injection of radiocolloid. The images on the left show the tracer activity in the injection sites and nodes. The corresponding images on the right are obtained by waving a sheet source of radioactivity behind the patient to produce a body (and lung) outline for reference.