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Medical Applications
The temperature of the human body has been widely used as an indicator of illness since antiquity. The technique has been carried forward, and today, Infrared thermography has become a powerful tool for the study of human body temperature.
Body temperature is a consequence of the thermal energy that is continually being produced as a by product of metabolism. The basic principle of thermal regulation is there must be a balance between heat produced within the body tissues and that lost to the environment. The relative uniformity of body temperature found in healthy individuals is frequently disturbed in disease and temperature levels and their time changes can characterize particular pathologies and may also predict the course of an illness. Consequently, body temperature and thermal regulation has been a major interest of pathologists and clinicians for many years.
Applications of thermography have been in the field of carcinoma and other problems of the breast, vascular disease and neuromuscular skeletal disorders.
Today there is renewed interest in the use of infrared breast imaging as a complement to mammography. This application lost favour some 30 years ago, but with new ultra-sensitive high-resolution digital infrared devices, efficacy is much improved, and researchers believe that infrared exams could prove a simpler and less expensive complement to mammography than some of the other newer Imaging methods.
Infrared imaging being used more and more to detect minute temperature variations related to vascular flow which will demonstrate abnormal vascular patterns associated with the initiation and progression of tumours.
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| This woman has a lump in the upper mid part of the left breast; Infrared imaging shows an asymmetrical vascular pattern over the left breast. |
Infrared thermography is finding an increasingly important place in human thermal physiology and clinical diagnosis and assessment, and can be expected to provide considerable advances in our understanding of the role of temperature in relationship to health and disease.
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