Results Mastoid process, jugular fossa, and occipital condyle were important signs.
结果乳突、乳孔、颈静脉窝、枕髁都是重要的术中解剖学标志。
2
Short limb of incus(or incudal fossa) and lateral semicircular canal are important landmarks by which pyramidal segment of FN might be located in manipulation of mastoid.