易混淆的单词： Dural

Headache attributed to dural arteriovenous fistula .

硬膜动静脉瘘所致的头痛。

Dural avm or avf presents with engorgement of the intracranial venous system .

硬膜动静脉畸形或动静脉瘘可以出现颅内静脉充血。

They are arteriovenous shunts located in the dura that usually involve large dural venous sinuses .

位于硬膜的动静脉分流常常累及大的硬膜静脉窦。

Objective to estimate the position of the conus medullaris and the dural sac in normal adults and to evaluate its clinical applications .

目的评价成人脊髓圆锥和硬膜囊下端位置正常范围的临床应用价值。

Dural puncture is the common accident and complication of epidural anesthesia , of which the common symptom is headache besides higher blocked level than expected and even spinal anesthesia .

硬膜穿破是硬膜外阻滞最常见的意外和并发症，除了会引起阻滞平面过高和全脊麻外，最常见的症状是头痛。