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 thyroid scan is a procedure that uses nuclear medicine imaging to evaluate the way your thyroid functions. Your thyroid is the gland that controls your bodyâs metabolism.It is located in your neck. A radioactive iodine uptake test (RAIU) test measures thyroid function without imaging. 2  A whole-body thyroid scan, or metastatic survey, is used to evaluate patients with thyroid cancer. 3  The scan evaluates the spread of thyroid cancer to other parts of your body.