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Volumetric Imaging with Ultrasonic Spiral CT¹

¹ From the Department of Biomedical Engineering, Technion, Israel Institute of Technology, Haifa 32000, Israel. Received September 15, 1997; revision requested November 24; final revision received November 20, 1998; accepted January 15, 1999. Supported in part by the Israel Science Foundation (grant Z-953/93), the Technion Vice Provost for Research Fund (J. Tal Equipment and Research Fund 130-304), the Irving and Adele Rosenberg Foundation, and the Israel Cancer Association (grants 960023-B and 972025-B). Address reprint requests to H.A. (e-mail: haim@biomed.technion.ac.il).

To examine the feasibility of implementing spiral computed tomography (CT) in ultrasonic imaging as a potential method for breast screening, an algorithm for x-ray spiral CT was applied to ultrasonic waves on a specially built ultrasonic tomographic system. Three-dimensional reconstructions of various phantoms were obtained. Spiral ultrasonic CT is feasible, and it may have clinical merit as a breast imaging method.

Index terms: Breast, US, 00.12989 • Computed tomography (CT), ultrasound (US) • Ultrasound, experimental studies, 00.12989 • Ultrasound computed tomography (US/CT), 00.12989