Journal
INTERFACE FOCUS
Volume 1, Issue 4, Pages 503-519Publisher
ROYAL SOC
DOI: 10.1098/rsfs.2011.0019
Keywords
three-dimensional ultrasound scanning; radiographic imaging; computed tomography
Categories
Funding
- Canadian Institutes of Health Research
- Ontario Institute for Cancer Research
- Ontario Research Fund
- National Science and Engineering Research Council
- Canada Research Chair programme
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The past two decades have witnessed developments of new imaging techniques that provide three-dimensional images about the interior of the human body in a manner never before available. Ultrasound (US) imaging is an important cost-effective technique used routinely in the management of a number of diseases. However, two-dimensional viewing of three-dimensional anatomy, using conventional two-dimensional US, limits our ability to quantify and visualize the anatomy and guide therapy, because multiple two-dimensional images must be integrated mentally. This practice is inefficient, and may lead to variability and incorrect diagnoses. Investigators and companies have addressed these limitations by developing three-dimensional US techniques. Thus, in this paper, we review the various techniques that are in current use in three-dimensional US imaging systems, with a particular emphasis placed on the geometric accuracy of the generation of three-dimensional images. The principles involved in three-dimensional US imaging are then illustrated with a diagnostic and an interventional application: (i) three-dimensional carotid US imaging for quantification and monitoring of carotid atherosclerosis and (ii) three-dimensional US-guided prostate biopsy.
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