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.
目的：包括大脑中动脉在内的颅内大动脉和颅外颈动脉狭窄是缺血性脑卒中的常见原因。
Objective: Intracranial artery occlusive disease including middle cerebral artery and extracranial carotid artery occlusive disease are major causes of ischemic stroke.
目的探讨颅内与颅外动脉重度狭窄或闭塞患者常见血管危险因素的差异。
Objective To evaluate the differences of common risk factors between highgrade intracranial and extracranial atherosclerotic stenosis or occlusion in middle aged and old patients.
鼻咽癌常侵犯颅内或颅外周围的间隙和腔窦。
Nasopharyngeal carcinoma often invades the intracranial and extracranial space and cavities.
鼻咽癌常侵犯颅内或颅外周围的间隙和腔窦。
Nasopharyngeal carcinoma often invades the intracranial and extracranial space and cavities.
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