Combined Positron Emission Tomography and Computed Tomography Option or necessity?

In this issue of SQUMJ, Jafferbhoy et al. have shared their regional experience about the impact of adding positron emission tomography (PET)/computed tomography (CT) to conventional CT in the preoperative work-up and follow-up of a select group of patients with colorectal cancer.1 In their retrospective study, PET/CT had a major impact in the preoperative and follow-up groups, altering the management of 73% and 64% of cases, respectively.