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Biomedical imaging with radio-frequency radiometry

We present a technique for biomedical imaging without radiation. The technique is based on the principles of thermal radiation and RF radiometry, which can be used to generate tomographic images for medical diagnosis such as early detection of breast cancer. Thermal radiation refers to the blackbody radiation emitted by matter, which extends all through the electromagnetic spectrum. By wirelessly measuring this thermal radiation transmitted by the patient's body and internal tissues at RF frequencies using RF radiometry, a mapping of the temperature distribution can be established, from which information such as images of the body and internal tissues can be formed. Biomedical imaging using RF radiometry is valuable for biomedical imaging applications as it promises to retain the full benefits of RF imaging without exposing patients to radiation, thus benefiting not only patients but also health-care professionals and industries.