A result that is not likely to occur randomly, but rather is likely to be attributable to a specific cause. Statistical significance can be strong or weak, and is important to research in many math-and science-related fields, including medicine, sociology, psychology and biology.
A nuclear scan is an imaging test that uses imaging technology and trace amounts of radioactive materials, called radiotracers, to diagnose and monitor diseases and treatments. Nuclear scans can show the structure and function of most body organs and tissues.
A liver and spleen scan is a nuclear scan that is done to look at these organs for disease. During a liver and spleen scan, a radioactive tracer substance is put into a vein in the arm. It moves through the blood to the liver and spleen.