A bone scan can look at a particular joint or bone. In cancer diagnosis, it ... ' Activity' means the bone is breaking down, or repairing itself. ... Below is an example of a bone scan showing dark areas (hot spots) in some places.
1 Mar 2011 ... A bone scan can often find a problem days to months earlier than a regular ... absorb little or no amount of tracer appear as dark or "cold" spots.
Relevant answers: What do black spots indicate on bone scan? It can mean infection, some types of cancers, lack of blood supply, arthritis, or tumors. What is the ...