Obsolete imaging techniques

Last revised by Dr Daniel J Bell on 19 May 2022

It is almost axiomatic that as time passes, the imaging techniques by which patients are evaluated, eventually become obsolete, due to continued scientific and technological innovations. 

Although the reality of new-fangled technology coming along and supplanting established methodology is of course more nuanced than this. It would be unusual for older imaging technologies and techniques to be completely discarded without some part of the historical approach being incorporated into the newer techniques that come onto the scene. And in many cases the older method is a direct forerunner of the newer technique.

For example, conventional tomography is rarely performed in modern radiology departments, other than as part of panoramic tomography. However the development of CT in the 1960s was in part driven - and informed - by the limitations of conventional tomography.

Historical imaging techniques

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