Computer-Enhanced Radiology: Imaging Transformed

  • Roger H. Shannon
Part of the Health Informatics Series book series (HI)


Radiology is an information business. It is one of the core specialties of scientific medicine. In a sense, it is also a part of every direct care specialty, but it has differentiated into a separate field because of the special skills and knowledge that are required to correctly create and interpret images. In the early years, contrast materials dominated research in methodology. In 1953, S.I. Seldinger introduced the percutaneous catheter, giving easy, safer access to the recesses of the body. These catheters have become instruments of therapy as well as diagnosis. In 1972, Hounsfield launched computed tomography (CT) and digital imaging joined the armamentarium. From this platform and the stimulus that WWII gave technology, in general, other modalities such as ultrasound (US) and magnetic resonance imaging (MRI) were added to X-ray as means to probe the secrets of hidden tissues. From Roentgen’s straightforward imaging of extremities, there has grown, in little more than a century, an immensely complex, technology-intensive specialty. The technology has enabled visualization of three-dimensional virtual organs in motion. By superimposing the image on body parts, they can be viewed as if they were semitransparent. Interventionalists can then guide catheters and other instruments to destinations that were completely elusive just a few years ago.


Compute Radiography Digital Radiography Radiology Information System Protect Health Information Application Service Provider 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer Science+Business Media New York 2004

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  • Roger H. Shannon

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