Optical computed tomography for imaging the breast: first look

Richard J. Grable; Steven L. Ponder; Nikolaos A. Gkanatsios; William Dieckmann; Patrick F. Olivier; Robert H. Wake; Yueping Zeng

doi:10.1117/12.390556

4 July 2000 Optical computed tomography for imaging the breast: first look

Richard J. Grable, Steven L. Ponder, Nikolaos A. Gkanatsios, William Dieckmann, Patrick F. Olivier, Robert H. Wake, Yueping Zeng

Author Affiliations +

Proceedings Volume 4082, Optical Sensing, Imaging, and Manipulation for Biological and Biomedical Applications; (2000) https://doi.org/10.1117/12.390556
Event: Photonics Taiwan, 2000, Taipei, Taiwan

Abstract

The purpose of the study is to compare computed tomography optical imaging with traditional breast imaging techniques. Images produced by computed tomography laser mammography (CTLM^TM) scanner are compared with images obtained from mammography, and in some cases ultrasound and/or magnetic resonance imaging (MRI). During the CTLM procedure, a near infrared laser irradiates the breast and an array of photodiodes detectors records light scattered through the breast tissue. The laser and detectors rotate synchronously around the breast to acquire a series of slice data along the coronal place. The procedure is performed without any breast compression or optical matching fluid. Cross-sectional slices of the breast are produced using a reconstruction algorithm. Reconstruction based on the diffusion theory is used to produce cross-sectional slices of the breast. Multiple slice images are combined to produce a three dimensional volumetric array of the imaged breast. This array is used to derive axial and sagittal images of the breast corresponding to cranio-caudal and medio-lateral images used in mammography. Over 200 women and 3 men have been scanned in clinical trials. The most obvious features seen in images produced by the optical tomography scanner are vascularization and significant lesions. Breast features caused by fibrocystic changes and cysts are less obvious. Breast density does not appear to be a significant factor in the quality of the image. We see correlation of the optical image structure with that seen with traditional breast imaging techniques. Further testing is being conducted to explore the sensitivity and specificity of optical tomography of the breast.

Citation Download Citation

Richard J. Grable, Steven L. Ponder, Nikolaos A. Gkanatsios, William Dieckmann, Patrick F. Olivier, Robert H. Wake, and Yueping Zeng "Optical computed tomography for imaging the breast: first look", Proc. SPIE 4082, Optical Sensing, Imaging, and Manipulation for Biological and Biomedical Applications, (4 July 2000); https://doi.org/10.1117/12.390556

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