Swirl sign in intracerebral haemorrhage: definition, prevalence, reliability and prognostic value
Background: Swirl sign has previously been described in epidural hematomas as areas of low attenuation, radiolucency or irregular density. The aims of this study were to describe swirl sign in ICH, study its prevalence, study the reliability of the subjective evaluation on computed tomography (CT), and to explore its prognostic value. Methods: CTs of 203 patients with ICH were retrospectively eval