Fig. 15From: Anatomical variation in the ankle and foot: from incidental finding to inductor of pathology. Part II: midfooot and forefootInterphalangeal joint sesamoid. A 33-year-old man referred for flat foot. Incidental finding of an interphalangeal joint sesamoid. Sagittal CT reconstruction better demonstrates its position with respect to the interphalangeal joint (black arrow). A potential complication arises if there is a phalangeal dislocation and the ossicle displaces into the joint space, blocking reductionBack to article page