Straight border sign of the liver: spectrum of CT appearances and causes.

@article{Itai1995StraightBS,
  title={Straight border sign of the liver: spectrum of CT appearances and causes.},
  author={Yuji Itai and Shigetoshi Murata and Yoshihisa Kurosaki},
  journal={Radiographics : a review publication of the Radiological Society of North America, Inc},
  year={1995},
  volume={15 5},
  pages={1089-102}
}
Attenuation differences bordered by straight lines within the liver (the straight border sign) are sometimes seen at computed tomography (CT). This phenomenon, which was demonstrated with unenhanced CT over a dozen years ago, does not represent a hepatic mass and is often associated with vascular compromise. Major causes of the straight border sign include fatty liver, confluent fibrosis, radiation hepatitis, and vascular abnormalities such as tumor thrombus, thromboembolus, compression, and… CONTINUE READING