Gout on radiograph. Anteroposterior (AP) view of the 1st metatarsophalangeal (MTP) joint and interphalangeal joint demonstrating juxta-articular erosion with overhanging edge (long arrows). Note the relative preservation of joint space (arrowhead) and subchondral bone density (white square) involving the 1st MTP and interphalangeal joint. *Soft tissue tophus.
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