title: The stepladder sign.
authors.affiliation: Department of Radiology, Wake Forest Baptist Medical Center, Wake Forest University School of Medicine, Medical Center Blvd., Winston-Salem, NC, 27157, USA. kehiatt@wakehealth.edu.
authors.forename: Kevin D
authors.initials: KD
authors.lastname: Hiatt
authors.affiliation: Department of Radiology, Wake Forest Baptist Medical Center, Wake Forest University School of Medicine, Medical Center Blvd., Winston-Salem, NC, 27157, USA.
authors.forename: Raymond B
authors.initials: RB
authors.lastname: Dyer
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging*; D007421:Intestine, Small; D016683:Supine Position