Nonunion of the First Sternocostal Synchondrosis Accompanied by Sternoclavicular Joint Synovitis
Figure 1
Arthroscopic images of the left sternoclavicular joint. (a) Inferior portal view showing synovial proliferation in the sternoclavicular joint (black arrows: synovium; a dot mark: intra-articular disc; CL: joint surface of the clavicle). (b) Inferior portal view showing a partial tear at the anterior part (a dotted arrow) of the intra-articular disc.
