hyperthermia /hī′pərthur″mē·ə/ [Gk, hyper + therme, heat] , 1. a much higher than normal body temperature induced therapeutically or iatrogenically. 2. (Nontechnical) malignant hyperthermia. 3. the use of various heating methods, such as electromagnetic therapy, to produce temperature elevations of a few degrees in cells and tissues. It is believed to lead to an antitumor effect. Hyperthermia may be used in conjunction with radiotherapy or chemotherapy for cancer treatment.
