舌下神经管内髁前静脉硬脑膜动静脉瘘三例。
Three cases of dural arteriovenous fistula of the anterior condylar vein within the hypoglossal canal.
作者信息
Ernst R, Bulas R, Tomsick T, van Loveren H, Aziz K A
机构信息
Department of Radiology, University of Cincinnati Medical Center, OH, USA.
出版信息
AJNR Am J Neuroradiol. 1999 Nov-Dec;20(10):2016-20.
Abstract
Dural arteriovenous fistulas (DAVFs) of the anterior condylar vein are an uncommon but important subset of fistulas occurring at the skull base that can be confused with DAVFs of the marginal sinus on angiography. MR angiography source images can document the intraosseous extent and the relationship to the hypoglossal canal of this type of fistula, which can have significant clinical implications. We present the imaging features of angiography, CT, and MR angiography of three cases of DAVFs localized to the anterior condylar vein and within the hypoglossal canal, which were confirmed by source images from MR angiography. Transvenous coil embolization was curative in two of three cases and would seem to be the treatment of choice when venous access is available.
摘要
髁前静脉硬脑膜动静脉瘘（DAVFs）是发生于颅底的一种少见但重要的瘘管类型，在血管造影时可能会与边缘窦DAVFs混淆。磁共振血管造影源图像能够记录此类瘘管的骨内范围及其与舌下神经管的关系，这可能具有重要的临床意义。我们展示了3例局限于髁前静脉及舌下神经管内的DAVFs的血管造影、CT和磁共振血管造影的影像学特征，这些均由磁共振血管造影源图像证实。3例中有2例经静脉弹簧圈栓塞治愈，当有静脉入路时，静脉弹簧圈栓塞似乎是首选的治疗方法。
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