title: The accordion sign.
authors.affiliation: Department of Radiology, Medical College of Virginia, Virginia Commonwealth University, Richmond 23298-0615, USA.
authors.forename: S G
authors.initials: SG
authors.lastname: O'Sullivan
mesh_terms: D004761:Enterocolitis, Pseudomembranous / Q000000981:diagnostic imaging*; D006801:Humans; D014057:Tomography, X-Ray Computed