What causes hot spots on PET scans? These radioactive materials will appear hot in areas whereglucose is abundant,such as the brain and heart. The body possesses abnormal cells that use a great deal of glucose,which may also manifest as hot spots. Sugar is widely used by cancer cells due to their high metabolic rate.
People also ask
What is a hot spot on a PET scan?
Hot spots are areas of the PET scan that show illumination from the glucose which is given to the patient. Glucose is sugar which is metabolized by the cells in the body, many types of cancer cells metabolize sugar at a much higher rate than normal cells.
What causes a hot spot on a radioactive glucose test?
Unknown: hot spots (increased uptake of a radioactive glucose analog) can be due to cancer, but also infection and inflammation. This needs further evaluati…
Does cancer show up Bright on a PET scan?
Tricky: Not all cancers are bright on pet scans and not all bright activity in a pet scan is cancer. Inflammation/infection can also show bright activity. Pe…
What can cause false positive PET scan results?
Infection is one of the most common causes of false-positive 18F-FDG PET-CT findings post-chemotherapy. Chemotherapy patients are susceptible to a wide variety of infections, including upper respiratory chest infections, pneumonia, colitis and cholecystitis.