PET / CT attenuation correction

• CT data at diagnostic energies (100 keV)

• PET data at 511 keV

• Is this a problem?

• Generally, tissue matching is not a problem

• However, there may be issues where contrast media is used1, or implant-induced artefacts are present2,3

1. D Visvikis, D C Costa et al, Eur J Nucl Med (2003) 30:344-353

2. C Burger, G Goerres et al, Eur J Nucl Med (2002) 29:922-927

3. E M Kamel, C Burger et al, Eur Radiol (2003) 13:724-728

Previous slide

Next slide

Back to first slide

View graphic version