MRI - Right ankle and foot
Congenital absence of the navicular bone.
Degenerative changes between the navicular and cuneiform bones as decreased space, and subchondral edema and cystic changes.
Accessory ossicle next to the talus and medial cuneiform bones in the medial side.
Elongated talar neck and enlarged size of the talar head.
Extension of the foot dorsal intrinsic muscles (extensor hallucis brevis and extensor digitorum brevis) within the external opening of sinus tarsi.
Termination of the posterior tibialis tendon on the accessory ossicle and talus head at the inferomedial aspect.