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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/2739

Title: Two-dimensional Microwave Tomographic Imaging of Breast Tissues
Authors: Bindu, G
Santhosh John, Abraham
Anil, Lonappan
Vinu, Thomas
Aanandan,C K
Mathew, K T
Keywords: Microwave imaging
breast cancer detection
permittivity
inverse scattering
Issue Date: 2006
Publisher: International Journal of Cancer Research
Abstract: Despite its recognized value in detecting and characterizing breast disease, X-ray mammography has important limitations that motivate the quest for alternatives to augment the diagnostic tools that are currently available to the radiologist. The rationale for pursuing electromagnetic methods are based on the significant dielectric contrast between normal and cancerous breast tissues, when exposed to microwaves. The present study analyzes two-dimensional microwave tomographic imaging on normal and malignant breast tissue samples extracted by mastectomy, to assess the suitability of the technique for early detection ofbreast cancer. The tissue samples are immersed in matching coupling medium and are illuminated by 3 GHz signal. 2-D tomographic images ofthe breast tissue samples are reconstructed from the collected scattered data using distorted Born iterative method. Variations of dielectric permittivity in breast samples are distinguishable from the obtained permittivity profiles, which is a clear indication of the presence of malignancy. Hence microwave tomographic imaging is proposed as an alternate imaging modality for early detection ofbreast cancer.
URI: http://dyuthi.cusat.ac.in/purl/2739
ISSN: 1811-9727
Appears in Collections:Dr. C K Aanandan

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