Figure 2.

A MSUS image of the plantar aspect of the right forefoot. The MSUS image demonstrates synovial thickening, joint effusion and bone changes within the right fifth plantar MTPJ of a study participant with RA. The image is seen from the plantar aspect and in the longitudinal plane *:proximal phalanx; **:metatarsal head, S:synovial thickening; E:joint effusion; B:bone changes.