Integrated PET-CT Imaging: Implications for Evaluation of Patients with Colorectal Carcinoma

The evaluation of patients with known or suspected recurrent colorectal carcinoma is now an accepted indication for positron emission tomography using 18F-fluorodeoxyglucose (FDG-PET) imaging. PET and CT are complimentary and therefore, integrated PET/CT imaging should be performed where available. FDG-PET/CT is indicated as the initial test for diagnosis and staging of recurrence and for preoperative staging (N and M) of known recurrence that...