673401.fig.0021a
(a)
673401.fig.0021b
(b)
Figure 21: MRI appearances of tophus. Axial T1 (a) and T2 (b) MRI. Note the intermediate signal juxta-articular soft tissue mass (arrowhead), medial to the first MTP joint with marrow edema (asterisk) in the adjacent first metatarsal head.