海绵窦扩张：颈内动脉海绵窦瘘和颈内动脉硬脑膜瘘的磁共振成像征象
Dilated intercavernous sinuses: an MR sign of carotid-cavernous and carotid-dural fistulas.
作者信息
Elster A D, Chen M Y, Richardson D N, Yeatts P R
机构信息
Department of Radiology, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, NC 27103.
出版信息
AJNR Am J Neuroradiol. 1991 Jul-Aug;12(4):641-5.
Dilated venous channels traversing the sella and connecting the two cavernous sinuses were seen on contrast-enhanced MR images in four patients with angiographically proved carotid fistulas. The anatomy and variations of these so-called intercavernous sinuses are discussed and are demonstrated in Latex-injected anatomic specimens. Direct visualization of the intercavernous sinuses on contrast-enhanced MR images may serve as an ancillary sign for the diagnosis of carotid-cavernous or carotid-dural fistulas near the sella.
在4例经血管造影证实为颈动脉瘘的患者的增强磁共振成像（MR）上，可见扩张的静脉通道穿过蝶鞍并连接两个海绵窦。本文讨论了这些所谓海绵间窦的解剖结构和变异情况，并在注入乳胶的解剖标本中进行了展示。增强MR图像上对海绵间窦的直接可视化可作为诊断蝶鞍附近颈动脉海绵窦瘘或颈动脉硬脑膜瘘的辅助征象。
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