title: The whirl sign.
authors.affiliation: Department of Radiology, Brigham and Women's Hospital, 75 Francis St, Boston, MA 02115, USA. bkhurana@partners.org
authors.forename: Bharti
authors.initials: B
authors.lastname: Khurana
mesh_terms: D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed