Cat scans and MRS's don't always tell exactly what the lesion is. The dark areas or black areas seen on the screen represent the actual tracer. The glucose goes to some organs as well but doctors know what's abnormal. And doctors are starting to use PET scans for the early detection of Alzheimers. For Smith, the news is good.
PET scans cost between two and three thousand dollars.
Doctors say Medicare and insurance companies are often covering the cost realizing the scans can be a cost-saver in the longrun. All Rights Reserved.