Journal of Diagnostic Medical Sonography

 

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Journal of Diagnostic Medical Sonography, Vol. 21, No. 5, 392-399 (2005)
DOI: 10.1177/8756479305278926

3D and 4D Sonography History and Theory

Susan Raatz Stephenson, MEd, RDMS,RVT, RT(R)(CT)

Philips Ultrasound, System Verification and Validation, 1933 169th Pl SE, Bothell, WA 98012wabearpaw{at}yahoo.com

Static 3D and real-time 4D sonography is the newest technology to help sonographers acquire images and aid in the diagnosis of pathology. Touted as a fast and efficient method of collecting needed data within a data set, the potential for increased diagnostic confidence may be a reality. Three-dimensional imaging has been evolving since the early 1970s and has now come into the clinical setting. Understanding the development of this imaging format, current theory, and terminology helps the sonographer obtain and use an optimal data set.

Key Words: 3D sonography • 4D sonography • 3D data set • 3D volume • pixel • voxel • OB/GYN imaging


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