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. 2021 Dec 29;11(1):166. doi: 10.3390/jcm11010166

Figure 12.

Figure 12

A 58-year-old female with extensive gouty arthropathy of the bilateral ankles and feet and decreased burden of MSU crystal deposition on the post-treatment 13-month follow-up DECT study. Pre-treatment (a,b) 3D reformatted DECT images of the bilateral ankles and feet show multiple green encoded foci of periarticular and articular MSU crystal deposition in both feet and distal Achilles tendons (arrows). Note green encoded foci about the great and little toenails related to imaging artifact (dashed arrows). (c,d) Three-dimensional reformatted DECT images of the bilateral ankles and feet obtained 13 months after initiation of treatment show interval decreased burden of periarticular and articular MSU crystal deposition in the same regions (arrows). Note green encoded foci about the great toenails related to imaging artifact (dashed arrows). All images acquired at 0.8–1.5 mm on a dual energy Siemens Somatom Force helical CT scanner using Syngovia post-processing software to demonstrate MSU crystals encoded in green.