隐窝乳突的

Conclution On the basis of combination of closed and open techniques, the IBM technique with improvement strategies including the facial recess approach, the staging surgery, obliterating residual space, canal and mastoid plasty was adopted in mastoitympanoplasty. The IBM surgery is a reasionable choice for the otitis media and mastotoiditis with cholesteatoma or osteitis.

以乳突鼓室成形术的闭合技术和开放技术为出发点，在保留低位骨桥后对相关技术加以改进，综合运用面隐窝处理、缺损组织的填充与修复、分期手术、耳道生理形态的恢复与成形等现代耳显微外科技术，IBM手术效果良好。

Methods: Microanatomical study was carried out on 28 sides of baby head with observing and measuring facial recess and adjacent structures under operation microscope, through posterior tympanum approach entering posterior tympanum.

取1~5岁儿童尸头14个（28侧）模仿经乳突后鼓室径路，进入后鼓室；在手长显微镜下观察测量与面神经隐窝相关的解剑学数据。

The important and perpetual anatomic landmarks looking for facial nerve in the course of operation are horizontal semicircular canal,digastric ridge,facial recess,cochleariform process,tarin foramen, arcuate eminence and foramen spinosum.

经乳突联合颅中窝径路行面神经手术时，二腹肌嵴、外半规管凸、砧骨短突、面神经隐窝、匙突、弓状隆起、棘孔、面神经管裂孔为该手术径路中寻找面神经的恒定的、重要的解剖标志。

Results MRI findings of nasopharyngeal carcinoma appeared as diffusely or locally thickened nasopharyngeal walls,and pharyngeal recess was closed and pharyngeal opening of auditory tube became shallow or disappeared,sometimes with parapharyngeal space、retropharyngeal space and logus capitis oppressed or invaded.

结果：鼻咽癌的MRI表现为鼻咽壁局限性或弥漫性增厚，咽隐窝闭塞，咽鼓管咽口变浅或消失，可伴有咽旁间隙、咽后间隙、头长肌受压或浸润及颈部淋巴结的转移，可见乳突积液，颅底骨质破坏。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。