Diagnostic imaging of subarachnoid hemorrhage

被引：0
作者：
Papanagiotou, P. [1 ]
Roth, C. [1 ]
Koemer, H. [1 ]
Reith, W. [1 ]
机构：
[1] Univ Klinikum Saarlandes Homburg Saar, Klin Diagnost & Intervent Neuroradiol, D-66421 Homburg, Germany
来源：
RADIOLOGE | 2011年 / 51卷 / 02期
关键词：
Bleeding; Subarachnoid cavity; Computed tomography; Aneurysm; CT;
D O I：
10.1007/s00117-010-2049-y
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
Subarachnoid hemorrhage is characterized by the extravasation of blood into the spaces covering the central nervous system which are filled with cerebrospinal fluid. The leading cause of non-traumatic subarachnoid hemorrhage is rupture of an intracranial aneurysm. Computed tomography (CT) scanning of the head should be the first examination performed in any patient with suspected subarachnoid hemorrhage. The characteristic appearance of extravasated blood is hyperdense. Head CT scanning can also demonstrate intraparenchymal hematomas, hydrocephalus and cerebral edema and can help predict the site of aneurysm rupture.
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页码：100 / 105
页数：6
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