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Collateral venous pathways and their clinical significance in parasagittal meningiomas obstructing middle and posterior part of superior sagittal sinus

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF NEUROSURGERY
Issue:
3
DOI:
10.3760/j.issn:1001-2346.2003.03.003
Key Word:
矢状窦;脑膜瘤;脑血管造影术;代偿静脉

Abstract: 目的探讨中、后部矢状窦旁脑膜瘤导致静脉窦闭塞后静脉代偿特点以及全切除肿瘤的手术要点.方法分析15例中、后部上矢状窦完全闭塞的窦旁脑膜瘤的脑血管造影表现,探讨其静脉回流代偿的形式对手术疗效的影响.结果静脉回流代偿的形式有三种:(1)皮层浅静脉端-端吻合,主要流向侧裂、Labbe静脉;(2)脑膜静脉流向蝶顶窦、海绵窦;(3)板障静脉流向头皮.本组肿瘤全切除12例,无手术死亡,术后发生三肢瘫1例,双下肢瘫1例,高颅压、失明1例. 结论术前仔细研究血管造影上静脉回流代偿的形式,有助于术中加强对其保护,减少全切除肿瘤手术后的严重并发症的发生.

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