Molecular Imaging 2017

FDG-PET/CT for delineation

Coregistration with radiotherapy planning CT: • Nodal delineation • But not for tumor ?

MRI for tumor delineation • Internal or external sphincter invasion • Levatori muscle invasion • Vaginal invasion

Mistrangelo M, Lesc A. PET-CT in anal cancer: indications and limits. 2013: