在40 - 50%的神经皮肤黑变病的患者中软脑膜黑色素沉着是恶性的。
Leptomeningeal melanosis is malignant in 40-50% of patients with neurocutaneous melanosis.
鼓膜张肌、脑膜中动脉、下颌神经是预测和辨认颈内动脉水平的良好标志。
The tensor tympani muscle, middle meningeal artery and mandibular nerve are good landmarks to predict and identify the horizontal segment of the internal carotid artery.
结论：矢状窦封闭型中后段矢旁脑膜瘤，术中切除矢状窦不会加重病人的神经功能障碍，可有效地减少肿瘤的复发。
Conclusion: the resection of the mid-posterior sagittal sinus blocked by parasagittal meningioma would not aggravate the neurologic defect but could reduce the recurrence of meningioma.
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