Evaluation Of Optical Sonography Trademark For Real Time Breast Imaging And Biopsy Guidance PDF Download

Significant progress has been made over the last decade to detect and diagnose breast disease using several imaging modalities. However, x-ray, reflective ultrasound and MRI have limitations and fully satisfactory imaging methods have not been identified. Breast imaging is ready for a method using non-ionizing radiation, less compression, and which holds the possibility of detecting lesions within the dense breast and differentiating subtle variations in tissue properties. The purpose of this study is to review the merits of Optical Sonography for breast imaging. This paper describes system modifications and results of laboratory studies conducted during the first year. Major accomplishments include the design and development of a prototype system focusing on a patient interface specifically for breast imaging, the incorporation of a 12-bit CCD camera and associated video chain hardware and software, the completion of automated image data collection and storage, and system optimization. System characterization tasks establish baseline data for spatial resolution, dynamic range, depth of field, acoustic intensities, and system modulation transfer function. In addition several computational imaging procedures were developed for system characterization and image enhancements. As a result of these studies, a number of additional improvements to key components have been identified and are being implemented.