Lower GI 2016

The Royal Marsden

PET-CT vs MRI in detecting liver lesions • On a per-lesion basis, PETCT and MRI were discordant in 15% (10/66 scans). • MRI correctly identified more sub-centimetre metastases in eight scans. • PETCT correctly identified more metastases in one case and confirmed disease in one equivocal MRI. Kong et al 2008

Eur J Nucl Med Mol Imaging.

• lesion detection reduces below 1 to 1.5 cm Park et al 2001