Until recently, Parkinson disease (PD) was diagnosed largely on the basis of clinical assessment, with structural imaging sometimes being used to exclude other pathologies. The chief differential ...

A nuclear medicine scan uses small amounts of radiation to create pictures of tissues, bones, and organs inside the body. The radioactive material collects in certain areas of your body, and special ...

Heart imaging tests provide a picture of the heart, blood vessels, and surrounding tissue to help diagnose and monitor conditions that affect this organ. A doctor can use the images from these tests ...