Figure 1a. Drawings (a) and axial computed tomographic (CT) scan (b) through C1 in an infant show the ossification centers of C1 with open synchondroses (arrows). Note the segmented tip of the dens (arrowhead in b).
Figure 1a. Drawings (a) and axial computed tomographic (CT) scan (b) through C1 in an infant show the ossification centers of C1 with open synchondroses (arrows). Note the segmented tip of the dens (arrowhead in b).