Traumatic Brain Injury: Imaging Patterns and Complications

被引:90
作者
Schweitzer, Andrew D. [1 ]
Niogi, Sundt N. [1 ]
Whitlow, Christopher J. [2 ]
Tsiouris, A. John [1 ]
机构
[1] New York Presbyterian Hosp, Weill Cornell Med, Dept Radiol, 525 E 68th St,Starr 630C, New York, NY 10075 USA
[2] Wake Forest Sch Med, Dept Radiol, Winston Salem, NC USA
关键词
DIFFUSE AXONAL INJURY; VENOUS SINUS THROMBOSIS; GLASGOW COMA SCALE; MAGNETIC-RESONANCE; SUBARACHNOID HEMORRHAGE; COMPUTED-TOMOGRAPHY; WHITE-MATTER; HEAD-INJURY; PROGNOSTIC VALUE; OUTCOME PREDICTION;
D O I
10.1148/rg.2019190076
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
While the diagnosis of traumatic brain injury (TBI) is a clinical decision, neuroimaging remains vital for guiding management on the basis of identification of intracranial pathologic conditions. CT is the mainstay of imaging of acute TBI for both initial triage and follow-up, as it is fast and accurate in detecting both primary and secondary injuries that require neurosurgical intervention. MRI is more sensitive for the detection of certain intracranial injuries (eg, axonal injuries) and blood products 24-48 hours after injury, but it has limitations (eg, speed, accessibility, sensitivity to motion, and cost). The evidence primarily supports the use of MRI when CT findings are normal and there are persistent unexplained neurologic findings or at subacute and chronic periods. Radiologists should understand the role and optimal imaging modality to use, in addition to patterns of primary brain injury and their influence on the risk of developing secondary brain injuries related to herniation. (C) RSNA, 2019
引用
收藏
页码:1571 / +
页数:25
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