The future of hybrid imaging—part 1: hybrid imaging technologies and SPECT-CTReport as inadecuate

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Insights into Imaging

, Volume 2, Issue 2, pp 161–169

First Online: 29 January 2011Received: 01 October 2010Revised: 15 December 2010Accepted: 22 December 2010


Since the 1990s, hybrid imaging by means of software and hardware image fusion alike allows the intrinsic combination of functional and anatomical image information. This review summarises in three parts the state-of-the-art of dual-technique imaging, with a focus on clinical applications. We will attempt to highlight selected areas of potential improvement of combined imaging technologies and new applications. In this first part, we briefly review the origins of hybrid imaging and comment on the status and future development of single photon emission tomography SPECT-computed tomography CT. In short, we could predict that, within 10 years, we may see all existing dual-technique imaging systems, including SPECT-CT, in clinical routine use worldwide. SPECT-CT, in particular, may evolve into a whole-body imaging technique with supplementary use in dosimetry applications.

KeywordsHybrid imaging SPECT CT SPECT-CT PET-CT PET-MR -The world is greater than the sum of its parts- Aristotle 384–322 BC.

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Author: Thomas Beyer - Lutz S. Freudenberg - David W. Townsend - Johannes Czernin


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