Journal
RADIOLOGY
Volume 231, Issue 2, Pages 571-580Publisher
RADIOLOGICAL SOC NORTH AMERICA
DOI: 10.1148/radiol.2312030606
Keywords
breast; infrared and near-infrared spectroscopy
Funding
- NCI NIH HHS [P01 CA080139, P01-CA80139] Funding Source: Medline
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Representative data are provided for three electromagnetic breast imaging techniques-near-infrared spectroscopy, electrical impedance spectroscopy, and microwave imaging spectroscopy-to serve as potential benchmarks for future investigation. The breasts of 23 women without clinical or mammographic findings of disease were imaged in the coronal plane with nonionizing radiation of varying frequencies. Average electromagnetic property values were reconstructed at each frequency on the basis of computational models of light diffusion, current flow, and microwave propagation. Electromagnetic properties were correlated with subject characteristics and between techniques. Each technique yielded information on breast tissue features (eg, conductivity, permittivity, light scattering, and absorption) that had not previously all been measured in the same individuals. (C) RSNA, 2004.
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