FDG-PET/CT has potential in inflammatory bowel disease. The literature generally presents good sensitivity and specificity in various settings. At present, the most promising roles are assessment of early treatment response and stricture characterization, whereas general use in the initial diagnostic workup should be reserved for equivocal cases for the time being. However, it is challenging to image the moving and physiologically active bowel with FDG, and available literature is far from ideal. Thus, several issues remain unclarified, and further data are needed to make firm conclusions on the role of FDG and PET/CT in inflammatory bowel disease.
Keywords: Computed tomography; Crohn disease; FDG; Inflammatory bowel disease; MR imaging; PET; PET/CT; Ulcerative colitis.
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