posterior sinus

Results: ( 1) The distance from the arch apex of anterior semicircular canal to the surface of the petrous was 2.19 mm. The posterior semicircular canal was the nearest to groove for the sigmoid sinus.

结果：（1）前半规管拱峰离岩骨表面（弓状隆起）较浅，平均深2.19mm。

Results: The oculomotor nerve entered into cavernous sinus at 7.8 ± 2.1 mm anterolateral to posterior clinoid process and 5.0 ± 2.0 mm posterior to superior segment of clinoid process of internal carotid artery.

结果：动眼神经入窦点在后床突的前外侧7.8±2.1mm，在颈内动脉床突上段后方5.0±2.0mm处。

When disease involves the sphenoid sinus can be penetrated either intranasally or through the posterior ethmoid.

当病变累及蝶窦,可以经鼻内和后组筛窦进入蝶窦.

There was one recurrence case in the Group of anterior fixation and was cured after receiving the twice operation. There were two cases who had sinus tract preoperative in the Goup of posterior fixation.

前路固定组中复发病例1例，经第2次手术后治愈。

Jugular foramen tumors with collars batton shaped via a posterior sigmoid sinus approach

乙状窦后入路切除颈静脉孔区哑铃形肿瘤