Tragal cartilage to Mastoid tip | 9.5 ± 1.5 mm |
Tragal pointer to styloid process | 17.5 ± 1 mm |
Posterior belly of digastric from mastoid tip to styloid process | 7.5 ± 1.5 mm |
Tragal pointer to facial nerve trunk | 13 ± 1.2 mm |
Posterior belly of digastric to facial nerve trunk | 6.5 ± 0.5 mm |