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Proceedings Paper

Inverse scattering and refraction corrected reflection for breast cancer imaging
Author(s): J. Wiskin; D. Borup; S. Johnson; M. Berggren; D. Robinson; J. Smith; J. Chen; Y. Parisky; John Klock
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Paper Abstract

Reflection ultrasound (US) has been utilized as an adjunct imaging modality for over 30 years. TechniScan, Inc. has developed unique, transmission and concomitant reflection algorithms which are used to reconstruct images from data gathered during a tomographic breast scanning process called Warm Bath Ultrasound (WBU™). The transmission algorithm yields high resolution, 3D, attenuation and speed of sound (SOS) images. The reflection algorithm is based on canonical ray tracing utilizing refraction correction via the SOS and attenuation reconstructions. The refraction correction reflection algorithm allows 360 degree compounding resulting in the reflection image. The requisite data are collected when scanning the entire breast in a 33° C water bath, on average in 8 minutes. This presentation explains how the data are collected and processed by the 3D transmission and reflection imaging mode algorithms. The processing is carried out using two NVIDIA® Tesla™ GPU processors, accessing data on a 4-TeraByte RAID. The WBU™ images are displayed in a DICOM viewer that allows registration of all three modalities. Several representative cases are presented to demonstrate potential diagnostic capability including: a cyst, fibroadenoma, and a carcinoma. WBU™ images (SOS, attenuation, and reflection modalities) are shown along with their respective mammograms and standard ultrasound images. In addition, anatomical studies are shown comparing WBU™ images and MRI images of a cadaver breast. This innovative technology is designed to provide additional tools in the armamentarium for diagnosis of breast disease.

Paper Details

Date Published: 12 March 2010
PDF: 12 pages
Proc. SPIE 7629, Medical Imaging 2010: Ultrasonic Imaging, Tomography, and Therapy, 76290K (12 March 2010); doi: 10.1117/12.844910
Show Author Affiliations
J. Wiskin, TechniScan Medical Systems, Inc. (United States)
D. Borup, TechniScan Medical Systems, Inc. (United States)
S. Johnson, TechniScan Medical Systems, Inc. (United States)
M. Berggren, TechniScan Medical Systems, Inc. (United States)
D. Robinson, TechniScan Medical Systems, Inc. (United States)
J. Smith, TechniScan Medical Systems, Inc. (United States)
J. Chen, Breast Care & Imaging Ctr. of Orange County (United States)
Y. Parisky, Breast Care & Imaging Ctr. of Orange County (United States)
John Klock, TechniScan Medical Systems, Inc. (United States)


Published in SPIE Proceedings Vol. 7629:
Medical Imaging 2010: Ultrasonic Imaging, Tomography, and Therapy
Jan D'hooge; Stephen A. McAleavey, Editor(s)

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