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Three-dimensional imaging promises to provide better and more efficient methods of displaying diagnostic data. It is a more natural way to view anatomical structures and pathology and therefore easier for referring physicians and patients to understand. 3D ultrasound can also provide more information for the diagnostic decision.
3D ultrasound capabilities that use volume rendering, a relatively new development, are particularly well suited to ultrasound images. Instead of relying on a mathematical model of surfaces, as in surface rendering, volume rendering is based on the original image data. Volume rendering is capabile of both surface and transparent display. Because volume rendering is true to the original image, textural detail is preserved.
Clinical Benefits
3D Grayscale imaging provides a qualitative view of grayscale information, facilitating better appreciation of anatomical structures and relationships.
3D imaging has the potential to:
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Reduce exam duration and decreate patient waiting times
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Provide more complete examinations through increased perspectives of volume data
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Provide more complete exam records, since exam data can be reprocessed and re-interrogated at any time
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Provide anatomical views not possible with 2D scanning
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Simplify ultrasound orientation for referring physicians and patient
3D Color Power Angio® Imaging has proven useful in:
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Integrated Advanced 3D imaging provides qualitative digital 3D images with grayscale and power Doppler information. Its fast rendering and interactive visualization through multiplanar reformatting allows virtual rescanning long after an exam is complete, as well as the ability to access perspectives and views on the diagnostic data unavailable during acquisition.
3D SonoCT imaging is an enhancement to the HDI 5000 system's Advanced 3D capability. 3D SonoCT imaging dramatically reduces artifacts to improve three-dimensional displays. By using Philips' image-compounding technology to acquire 3D data sets, volume or surface renderings contain exponentially more information than conventional 3D images.
3D Color Power Angio® Imgaging (3D CPA) is a volume-rendered flow visualization approach that displays a rotating three-dimensional image, clarifying the anatomical or spatial relationship of vascular structures. The rotating volume can be stopped and played frame by frame if desired. 3D CPA is a qualitative technique.
Integrated 3D Grayscale, an extension of 3D Color Power Angio® Imgaging (3D CPA) technology, uses specialized display algorithms and maps to generate volume-rendered views of B-mode images. The volume rendering is also presented as a rotating object as in 3D CPA.
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