Minimally Invasive Multiport Surgery of the Lateral Skull Base

Table 1

The cumulative angle (CA) for each target point. The values represent the CA in degrees (internal auditory canal (IAC), round window (RW), and petrous apex (PA)).

Region	IAC	RW	PA
Median	98	112	40
STD deviation	27	30	12
Minimal value	13	42	19
Maximal value	126	153	62