Imaging for Physicists

how well are the PET and CT in a PET-CT registered?

• 19 lung cancer patients with 26 lesions

• 3D PET-CT exam • Distance between center of lesions defined on PET and CT was 7.55 +/- 4.73 mm • Baseline shift during the exam

Cohade et al. 2002; Eur J Nucl Med Molec Imaging 30:721-726