Page 35 - Head and neck surgery
P. 35

The anatomic landmarks for the main trunk                                                                                                  Tragal cartilage

                         of      the      facial      nerve, which                measures

                         anywhere from 5-15mm, are at a point

                         where the tip of the mastoid process,


                         cartilaginous auditory canal, and superior

                         border of the posterior belly of digastric

                         muscle meet.











                                                               Posterior belly of digastric muscle





                                                                                                                                 Main trunk of CNVII
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