BACKGROUND AND PURPOSE: SWI is an MR imaging technique that is very sensitive to hemorrhage. Our goal was to compare SWI and CT to determine if SWI can show traumatic SAH in different parts of the subarachnoid space. MATERIALS AND METHODS: Twenty acute TBI patients identified by CT with SAH underwent MR imaging scans. Two neuroradiologists analyzed the CT and SWI data to decide whether there were SAHs in 8 anatomical parts of the subarachnoid space. RESULTS: Fifty-five areas with SAH were identified by both CT and SWI. Ten areas were identified by CT only and 13 by SWI only. SAH was recognized on SWI by its very dark signal intensity surrounded by CSF signal intensity in the sulci or cisterns. Compared with the smooth-looking veins, SAH tended to have a rough boundary and inhomogeneous signal intensity. In many instances, blood in the sulcus left an area of signal intensity loss that had a "triangle" shape. SWI showed 5 more cases of intraventricular hemorrhage than did CT. CONCLUSIONS: SAH can be recognized by SWI through its signal intensity and unique morphology. SWI can provide complementary information to CT in terms of small amounts of SAH and hemorrhage inside the ventricles.
基金：
National Institutes of HealthUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) - USA [NHLBI R01 HL062983]
语种：
外文
被引次数：
WOS：
中科院(CAS)分区：
出版当年[2009]版：
大类|3 区医学
小类|3 区临床神经病学3 区神经成像3 区核医学
最新[2023]版：
大类|3 区医学
小类|3 区临床神经病学3 区神经成像3 区核医学
JCR分区：
出版当年[2008]版：
Q1NEUROIMAGINGQ2CLINICAL NEUROLOGYQ2RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
最新[2023]版：
Q1RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGINGQ2CLINICAL NEUROLOGYQ2NEUROIMAGING
第一作者机构：[2]McMaster Univ, Sch Biomed Engn, Hamilton, ON, Canada;
通讯作者：
通讯机构：[1]Capital Med Univ, Beijing Tiantan Hosp, Neuroimaging Ctr, Dept Radiol, Beijing 100050, Peoples R China;[6]Capital Med Univ, Beijing Tiantan Hosp, Neuroimaging Ctr, Dept Radiol, 6 Tiantan Xili, Beijing 100050, Peoples R China
推荐引用方式(GB/T 7714)：
Wu Z.,Li S.,Lei J.,et al.Evaluation of Traumatic Subarachnoid Hemorrhage Using Susceptibility-Weighted Imaging[J].AMERICAN JOURNAL OF NEURORADIOLOGY.2010,31(7):1302-1310.doi:10.3174/ajnr.A2022.
APA：
Wu, Z.,Li, S.,Lei, J.,An, D.&Haacke, E. M..(2010).Evaluation of Traumatic Subarachnoid Hemorrhage Using Susceptibility-Weighted Imaging.AMERICAN JOURNAL OF NEURORADIOLOGY,31,(7)
MLA：
Wu, Z.,et al."Evaluation of Traumatic Subarachnoid Hemorrhage Using Susceptibility-Weighted Imaging".AMERICAN JOURNAL OF NEURORADIOLOGY 31..7(2010):1302-1310
