Abstract
Structural information about the lungs has been obtainable for over one hundred years through imaging techniques. Cross-sectional computed tomography (CT) provides a great advance over conventional radiography, since it avoids the inevitable superimposition of structures that occurs with a projectional image, and CT allows resolution of structures as small as 200 Ettm. The digital nature of CT data also permits objective assessment of respiratory diseases including COPD. Sophisticated computer software has allowed the development of image processing techniques that may improve detection and quantification of COPD Fig. 1. The development, over the past decade, of volumetric acquisition with spiral CT and 3D image reconstruction is an exciting development, the full value of which is only just being exploited. It is becoming apparent that CT can also be used to provide functional data, for example, looking at changes in airway calibre in response to drugs. An exciting development is that CT has been demonstrated to show very early smoking-related lung damage, and may be of use in monitoring resolution of such changes in response to treatment.
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Tennant, R.C., Hansel, T.T., Hansell, D.M. (2004). Computed tomography (CT) scans in COPD. In: Hansel, T.T., Barnes, P.J. (eds) Recent Advances in the Pathophysiology of COPD. Progress in Inflammation Research. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-7939-2_4
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DOI: https://doi.org/10.1007/978-3-0348-7939-2_4
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