是位于颅顶骨松质中的扇平静脉,壁薄,无瓣膜。借贯穿颅骨的孔、管的导血管向外与头皮的静脉交通,向内与硬脑膜静脉窦相连。它可分为额板障静脉、颞前板障静脉、颞后板障静脉和枕板障静脉四组。
板障静脉(diploic veins)位于颅顶诸骨板障内,借无瓣的导静脉,与颅内、外的硬脑膜窦和头皮静脉连通,参与调节脑血流量。骨松质是人体的巨大血库 .
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结论:枕骨板障静脉池的CT表现较具特征,掌握其影像特点并结合临床有助于鉴别诊断。
Conclusion:CT can clearly demonstrate the occipital diploic vein pool, which helps for the diagnosis of this disease.
颅骨膜血窦是一种罕见的血管畸形,颅内与颅外血液循环借扩张的颅骨板障静脉形成异常交通。
Sinus pericranii is a rare vascular anomaly involving an abnormal communication between the intracranial and extracranial circulations through dilated diploic veins of the skull.
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