Degenerative foot deformation. Coloured X-ray of a section through the foot of a 66-year-old male patient with a severe degenerative change in the metatarsophalangeal (MTP) joint (highlighted) of the big toe (top). The MTP joints are the articulations between the metatarsal bones of the foot and the proximal bones (proximal phalanges) of the toes.
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