Conclusion the decrement in number of superior cerebral vein is possible the pathogenic factors of parasagittal sinus meningiomas, which add also the difficulty of treatment.
结论大脑上静脉数目减少，可能是窦旁脑膜瘤的发生因素，也增加了治疗的难度。
2
Objective: To explore the operative technique of parasagittalmeningiomas.