It is impossible to advice you if to have or not to have PET scan without knowing why you need it. It can detect the presence of cancer only when it is larger than about 2 cm. However, it is not specific and any increased metabolic activity can make it positive. Your Drs should who know your situation should assist you in making the choice. To read more about the strength and weaknesses of PET and other scan look at my blog at:
http://dribrook.blogspot.com/p/pet-and-ct-scans-of-cancer.htmlItzhak Brook MD
