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本研究通过人垂体窝的组织连续切片法,观察垂体窝内硬脑膜的配布情况,以及由它所形成各静脉窦的位置和大小。观察结果表明:硬脑膜由蝶鞍周缘进入垂体窝内形成三个海绵间窦。前海绵间窦位于垂体前叶的前上方;下海绵间窦位于垂体前叶及后叶前下方,该窦最大;后海绵间窦位于垂体后叶的后上方,最小。因此在经蝶窦入路行垂体切除术剥离前叶下方时宜倍加小心,以防过多的出血。
In this study, pituitary fossa by tissue serial sectioning method to observe the distribution of pituitary fossa dura mater, as well as the formation of the sinus by its location and size. Observations show that: dura from the periphery of the sella into the pituitary fossa to form three intercavernous sinus. The anterior sponge sinus is located anteroposteriorly above the anterior pituitary; the lower sponge sinus is located anteromedially and anteriorly below the posterior pituitary, with the largest sinus; posterior sponge sinus is located posterior to the anterior posterior pituitary, the smallest. Therefore, in the transsphenoidal approach pituitary resection stripped below the anterior leaf should be careful to prevent excessive bleeding.