Clumpy artifacts can be differentiated from tophi with DECT: comparison between gout-free and gouty patients

To accurately differentiate clumpy artifacts from tophi with foot and ankle DECT.In session 1, 108 clumpy artifacts from 35 patients and 130 tophi images from 25 patients were analyzed. Reviewers classified green pixelation according to anatomic location, shape (linear, stippled, angular, oval), and height and width ratio. In session 2, green pixelation confined to the tendon was evaluated (shape, height and width ratio, occupied area in the...