Thermography

Definition of thermography
National Cancer Institute

thermography

(ther-MAH-gruh-fee)
In medicine, a procedure in which a heat-sensing infrared camera is used to record the surface heat produced by different parts of the body. Abnormal tissue growth can cause temperature changes, which may show up on the thermogram. Thermography may be used to diagnose breast cancer and other tumors.

Source: NCI Dictionary of Cancer Terms