Figure 1.

Cervical computed tomography (CT) at the initial visit (a, b) and when glossopharyngeal and vagus nerve paralysis emerged (c, d). CT taken after improvement of symptoms (e, f). The upper panels are contrast-enhanced images of the soft tissue of the nasopharynx (a, c, e). The lower panels are contrast-enhanced images of the bony structure of the extra skull base (b, d, f). The development of diffuse enhancing mucosal irregularity in the nasopharynx (arrow) is shown. (d) The bony erosion of the external skull base (arrow head). (f) The improvement of bony erosion (arrow head).