颅内动-静脉畸形
颅内动-静脉畸形
Publication information
Publisher
天津市环湖医院神经放射科
Subjects
More information
Scope and Contents
Contents
颅内动-静脉畸形(AVM)是脑血管畸形的最常见类型。主要由供血动脉、相互缠绕且管径不同的畸形血管团和扩张的引流静脉组成。脑实质(软脑膜)型动-静脉畸形的基底位于脑表面,呈楔形,尖端指向脑室,畸形血管团内可见神经胶质增生、无功能的脑组织、陈旧性出血和营养不良性钙化。数字减影血管造影术(DSA)是诊断的"金标准",典型征象包括动脉期显影的畸形血管团、扩张的供血动脉和引流静脉(图1a),可伴动-静脉瘘(动脉期静脉显影),供血动脉可扩张形成动脉瘤,引流静脉可扩张形成静脉湖。CT扫描未合并出血的病灶多呈等或稍高密度,部分可见条形或斑片样钙化,边界不清.
Alternative Titles
Full title
颅内动-静脉畸形
Authors, Artists and Contributors
Author / Creator
Identifiers
Primary Identifiers
Record Identifier
TN_cdi_wanfang_journals_xdsjjbzz201503017
Permalink
https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_xdsjjbzz201503017
Other Identifiers
ISSN
1672-6731
DOI
10.3969/j.issn.1672-6731.2015.03.018
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