Nonunion of the First Sternocostal Synchondrosis Accompanied by Sternoclavicular Joint Synovitis

Figure 3

Computed tomography (CT) images of the left first sternocostal synchondrosis. Three-dimensional reconstruction (a, b) and coronal CT images (c, d) showing subluxation of the left first rib in two different positions, with the arm hanging naturally (a, c) and elevated (b, d).

(a)

(b)

(c)

(d)