Mild effusion is seen at the first metatarsophalangeal joint.
The bone marrow of the first metatarsal, great toe proximal phalanx base, and sesamoid bones show abnormal signal changes (low on T1 and high on T2/PDfs).
Skin ulcer with oedema and thickening of subcutaneous tissue is seen at the medial aspect of the first
metatarsophalangeal joint.
Soft tissue oedema and thickening are also seen along the dorsal and plantar aspects of the foot.