Fig. 2From: Does addition of a diagnostic contrast-enhanced CT to a contemporaneous PET/CT provide incremental value in patients for restaging of colorectal carcinoma?Case 4.2. Example of discordant case where CT led to inappropriate treatment. Right external iliac nodes on diagnostic CT (right panel) which show no FDG uptake on PET (left panel). More extensive resection performed of presumed nodal disease, which was negative for metastasisBack to article page