面神经管的迷路部分。一项比较放射解剖学研究。
The labyrinthine portion of the facial canal. A comparative radioanatomic investigation.
作者信息
Wadin K, Wilbrand H
出版信息
Acta Radiol. 1987 Jan-Feb;28(1):17-23.
The variational radiographic anatomy of the labyrinthine portion of the facial canal was investigated in 200 plastic and silicone casts of unselected temporal bone specimens by means of multidirectional and computed tomography in different projections. The labyrinthine portion of the canal varied considerably in shape and size; in some specimens the cross-section was circular, but often the canal was crumpled and flattened in its passage above the cochlea. The medial part of the labyrinthine portion was narrowest, the lowest cross-sectional area being 0.5 mm2. In spite of optimal positioning of the specimen it was not always possible to reproduce the entire labyrinthine portion of the canal completely. Most difficult to reproduce were specimens with extremely small vertical diameters and marked caudal sloping of the canal.
通过对200个未经挑选的颞骨标本的塑料和硅胶铸型进行多方向和不同投影的计算机断层扫描，对面神经管迷路段的变异放射解剖结构进行了研究。该段神经管的迷路段在形状和大小上差异很大；在一些标本中，横截面是圆形的，但该段神经管在穿过耳蜗上方时常常会出现褶皱和变平。迷路段的内侧部分最窄，最小横截面积为0.5平方毫米。尽管标本的定位最佳，但并不总是能够完全重现该段神经管的整个迷路段。最难重现的是那些垂直直径极小且该段神经管有明显尾侧倾斜的标本。
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