MT- mastoid tip, arrow- stylomastoid foramen where the extracranial course of facial nerve begins
3D reconstructed CT-scan showing stylomastoid foramen (arrow).
[1 - osseous external ear meatus, 2 - stylomastoid process, M - mastoid bone]
3D reconstructed CT-scan showing an elongated styloid process (red arrow) which is implicated in Eagle syndrome. (white arrow points to stylomastoid foramen where the facial nerve exit the skull)