In recognition of the CT scan importance, the scientists who invented it (physicist Allan M. Cormack and electrical engineer Godfrey N. Hounsfield) were awarded the 1979 Nobel Prize in Physiology or Medicine. When we code the CAT scan of an abdominal organ, we have to keep in mind that ...
A brain tumor is found in a CT scan of Mr. Child's head. The physician is assuming that it is not a secondary tumor (i.e. it did not spread from another part of the body) because an exhaustive workup has revealed no signs of cance...