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CT Detection of Hepatic and Splenic Injuries

Usefulness of Liver Window Settings

Randall M. Patten1, Steven R. Gunberg1, Donna K. Brandenburger1 and Michael L. Richardson2

1 Department of Radiology, MC 0024, Denver Health Medical Center, 777 Bannock St., Denver, CO 80204.
2 Department of Radiology, University of Washington Medical, Center, 1959 N.E. Pacific St., Seattle, WA 98195.



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  		Fig. 1A. —19-year-old man with blunt abdominal trauma from motor vehicle collision. CT scan obtained at standard abdominal window settings shows grade IV stellate hepatic laceration.

 


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  		Fig. 1B. —19-year-old man with blunt abdominal trauma from motor vehicle collision. CT scan obtained at liver window settings shows mild improvement in conspicuity of injury.

 


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  		Fig. 2A. —48-year-old woman struck by automobile. CT scan obtained at standard abdominal window settings shows splenic subcapsular hematoma (H), small peripheral laceration (solid arrows), and active extravasation of contrast agent (open arrow).

 


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  		Fig. 2B. —48-year-old woman struck by automobile. CT scan obtained at liver window settings shows similar findings. Injury was judged by both radiologists to be equally conspicuous.

 


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  		Fig. 3A. —26-year-old man with blunt abdominal trauma from rollover motor vehicle collision. CT scan obtained at standard abdominal windows shows grade I intrahepatic hematoma (arrows) partially obscured by streak artifact from plaster cast on patient's left side.

 


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  		Fig. 3B. —29-year-old man with blunt abdominal trauma from rollover motor vehicle collision. CT scan obtained at liver window settings does not show injury as well as A.

 

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