248039.fig.002a
(a)
248039.fig.002b
(b)
248039.fig.002c
(c)
Figure 2: Normal facial nerve canal on CT. Axial temporal bone CT images demonstrate the intracanalicular (solid arrow in (a)), labyrinthine (double lined arrow in (a)), geniculate ganglion (double lined arrow in (b)), tympanic (solid arrow in (b)), and mastoid (arrow in (c)) segments of the facial nerve.