Comparison of Computed Tomography Findings between Aneurysmal and Traumatic Subarachnoid Hemorrhage
- Authors
- Lee, Jun Ho; Hong, Hyun Jong; Nam, Taek Kyun; Hwang, Sung Nam
- Issue Date
- Feb-2006
- Publisher
- 대한신경외과학회
- Keywords
- Aneurysmal subarachnoid hemorrhage; Traumatic subarachnoid hemorrhage; Computerizedtomography; Differential diagnosis
- Citation
- 대한신경외과학회지, v.39, no.2, pp 125 - 129
- Pages
- 5
- Journal Title
- 대한신경외과학회지
- Volume
- 39
- Number
- 2
- Start Page
- 125
- End Page
- 129
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/73451
- ISSN
- 2005-3711
1598-7876
- Abstract
- Objective : The purpose of this study is to identify any differential point in computerized tomographic(CT) findings between aneurysmal subarachnoid hemorrhag (ASAH) and traumatic subarachnoid hemorrhage(TSAH), which sometimes make us not confident in differentiation.
Methods : CT of 142 ASAH and 82 TSAH patients over the last 2 years were retrospectively reviewed. We evaluated the thickness of SAH, the laterality of sylvian cisternal hemorrhage, the location, the number of involved cisterns, and the associated other lesions between two types of SAH.
Results : Suprasellar cisterns and sylvian cisterns were most prominently and frequently involved cisterns in ASAH but cortical sulci and sylvian cisterns were most frequently involved in TSAH. Intraventricular and intracerebral hemorrhage were frequently seen in ASAH. Thickness of SAH over 1mm, bilateral sylvian SAH, multiple cisternal SAH were in favor of ASAH. The number of involved cisterns were more frequently seen in ASAH than in TSAH. In ASAH, bilateral sylvian hemorrhages were more frequently seen than in TSAH. Skull fracture, subdural hematoma, subgaleal hematoma, and hemorrhagic contusion were frequently associated with TSAH.
Conclusion : As a result of our study, the authors conclude that when IVH, hydrocephalus, thick SAH>1mm bilateral sylvian SAH, and multiple cisternal SAH are seen in CT, immediate angiography should be performed to rule out cerebral aneurysms whether associated with other traumatic lesions or not.
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