鞍膈的显微外科解剖及其在指导垂体腺瘤生长模式中的作用。
Microsurgical anatomy of the diaphragma sellae and its role in directing the pattern of growth of pituitary adenomas.
作者信息
Campero Alvaro, Martins Carolina, Yasuda Alexandre, Rhoton Albert L
机构信息
Department of Neurological Surgery, University of Florida, Gainesville, Florida, USA.
出版信息
Neurosurgery. 2008 Mar;62(3):717-23; discussion 717-23. doi: 10.1227/01.neu.0000317321.79106.37.
OBJECTIVE
To evaluate the anatomic aspects of the diaphragma sellae and its potential role in directing the growth of a pituitary adenoma.
METHODS
Twenty cadaveric heads were dissected and measurements were taken at the level of the diaphragma sellae.
RESULTS
The diaphragma sellae is composed of two layers of dura mater. There is a remarkable variation in the morphology of the diaphragm opening. The average anteroposterior distance of the opening was 7.26 mm (range, 3.4-10.7 mm) and the average lateral-to-lateral distance was 7.33 mm (range, 2.8-14.1 mm).
CONCLUSION
The variability in the diameter of the opening of the diaphragma sellae could explain the growth of pituitary tumors toward the cavernous sinus or toward the suprasellar region.
目的
评估鞍膈的解剖学特征及其在垂体腺瘤生长方向上的潜在作用。
方法
解剖20个尸头，并在鞍膈水平进行测量。
结果
鞍膈由两层硬脑膜组成。膈孔形态存在显著差异。孔的平均前后距离为7.26毫米（范围为3.4 - 10.7毫米），平均左右距离为7.33毫米（范围为2.8 - 14.1毫米）。
结论
鞍膈孔直径的变异性可以解释垂体肿瘤向海绵窦或鞍上区域生长的原因。
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