Pre (a) and post (b) contrast agent short-axis images of the third metatarsophalangeal (MTP) joint demonstrating intact capsule and plantar plate (arrows).

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Pre (a) and post (b) contrast agent short-axis images of the third metatarsophalangeal (MTP) joint demonstrating intact capsule and plantar plate (arrows). Pre (a) and post (b) contrast agent short-axis images of the third metatarsophalangeal (MTP) joint demonstrating intact capsule and plantar plate (arrows). Precontrast agent short-axis image (c) of the fourth MTP joint of the same patient demonstrating a capsular tear (arrow), which is confirmed in the postcontrast agent T1 short-axis image (d) with extravasation into the soft tissue (arrow). HEIDI J. SIDDLE et al. J Rheumatol 2012;39:1786-1791 ©2012 by The Journal of Rheumatology