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Detection of Thrombus in Acute Ischemic Stroke: Value of Thin-Section Noncontrast-Computed Tomography

 Eung Yeop Kim  ;  Seung-Koo Lee  ;  Dong Ik Kim  ;  Ji Hoe Heo  ;  Jinna Kim  ;  Sang-Hyun Suh  ;  Dong Joon Kim 
 STROKE, Vol.36(12) : 2745-2747, 2005 
Journal Title
Issue Date
Aged ; Aged, 80 and over ; Brain Ischemia/complications ; Brain Ischemia/diagnostic imaging* ; Female ; Follow-Up Studies ; Humans ; Intracranial Thrombosis/complications ; Intracranial Thrombosis/diagnostic imaging* ; Male ; Retrospective Studies ; Sensitivity and Specificity ; Stroke/diagnostic imaging* ; Stroke/etiology ; Tomography, X-Ray Computed/methods*
acute stroke ; cerebral infarct ; neuroradiology ; thrombosis
BACKGROUND AND PURPOSE: Previous studies on the hyperdense middle cerebral artery (MCA) sign were conducted using > or =5-mm thickness noncontrast-computed tomography (NCT). The purpose of this study was to compare thin-section NCT with 5-mm NCT in the detection of thrombus in acute ischemic stroke.
METHODS: Enrolled were consecutive 51 patients with acute infarction in the anterior or MCA territory. All patients underwent both 5-mm NCT and either 1.25- or 1-mm thin-section helical NCT within 6 hours of symptom onset. Patients were assigned to either the single or multisegmental occlusion group, depending on the thrombus extent on thin-section NCT. Thin-section NCT and 5-mm NCT were compared in the detection of thrombi.
RESULTS: Thrombi were identified in 45 patients (88%) on thin-section NCT and 16 on 5-mm NCT (31%; P<0.001). No occlusion was seen in 6 patients. Both sensitivity and specificity of thin-section NCT in detection of thrombus were 100%.
CONCLUSIONS: Acute thrombus can be detected with higher sensitivity on thin-section NCT than on 5-mm NCT, and its extent is more accurately determined on thin-section NCT.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Dong Ik(김동익)
Kim, Dong Joon(김동준) ORCID logo https://orcid.org/0000-0002-7035-087X
Kim, Eung Yeop(김응엽)
Kim, Jinna(김진아) ORCID logo https://orcid.org/0000-0002-9978-4356
Suh, Sang Hyun(서상현) ORCID logo https://orcid.org/0000-0002-7098-4901
Lee, Seung Koo(이승구) ORCID logo https://orcid.org/0000-0001-5646-4072
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