Abstract
Since the introduction of the first combined PET/CT scanner in 1998, diffusion of this technology into the clinical arena has been rapid, more reminiscent of the adoption of magnetic resonance (MR) imaging in the early eighties than the slower acceptance of positron emission tomography (PET). For almost two decades, PET was viewed primarily as a research tool until Medicare approval, in 1998, of PET imaging for the diagnosis and staging of a number of different cancers. With this approval, the role of PET in oncology increased significantly from 1999 onwards. Coinciding with the growth in PET, the first commercial PET/CT scanners appeared in the clinic in early 2001, further advancing the adoption of PET in oncology by bringing functional imaging with radioactive tracers directly to the radiological community. As the benefits of imaging anatomy and function in the same scanner has become more widely appreciated, the demand for the technology has increased to a point where, in less than three years, over 300 such units are now installed in medical institutions worldwide. The trend from PET to PET/CT is confirmed by vendors whose PET/CT sales now represent up to 80% of the PET market.
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Townsend, D. (2004). A Future for PET/CT. In: Atlas of PET/CT Imaging in Oncology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-18517-5_3
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DOI: https://doi.org/10.1007/978-3-642-18517-5_3
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